Fix documentation issues reported by kernel-doc:
- Incorrect use of /** for non-kernel-doc comments
- Mismatch between documented and actual identifiers
- Incorrect identifier syntax
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220909151246.22961-1-quic_jjohnson@quicinc.com
Increase TCL data ring size to 2048 for WCN6750. This is
needed to meet 160 MHz TX throughput.
Add a new hw_param to indicate the TX ring size for
individual devices.
Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1
Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220905071805.31625-4-quic_mpubbise@quicinc.com
Currently in the case of WCN6750, only one TCL ring is used for TX,
this is limiting the TX throughput in 160 MHz case, enabling multiple
TCL rings on WCN6750 has shown an improvement of nearly 300 Mbps in
the case of TCP TX, therefore add the support of multi TX ring for
WCN6750.
Currently TCL ring is selected based on CPU ID, this logic cannot be
applied for WCN6750 as there is chance of out of order TX of packets
and to avoid this, choose TCL ring based on flow hash so that packets
of the same flow will end up on same TCL ring. For the same reason,
TCL ring retry logic is also not applicable for WCN6750.
Also the mapping of TCL, WBM & RBM IDs for WCN6750 is different from
existing devices. Create a new TCM/WBM/RBM mapping for WCN6750.
Change does not impact existing ath11k devices.
Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1
Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220905071805.31625-3-quic_mpubbise@quicinc.com
Enable threaded NAPI on all ath11k targets. Unlike traditional
NAPI poll which runs in softirq context and on the core which
scheduled the NAPI, threaded NAPI makes use of kernel threads
which are under direct control of the scheduler and helps in
balancing the NAPI processing load across multiple CPUs thereby
improving throughput.
In the case of WCN6750, enabling threaded NAPI has improved
160 MHz RX throughput by nearly 400 Mbps. Similar gains can
be expected on other ath11k devices as well.
Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1
Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220905071805.31625-2-quic_mpubbise@quicinc.com
mhi_alloc_controller() allocates a memory space for mhi_ctrl. When gets
some error, mhi_ctrl should be freed with mhi_free_controller(). But
when ath11k_mhi_read_addr_from_dt() fails, the function returns without
calling mhi_free_controller(), which will lead to a memory leak.
We can fix it by calling mhi_free_controller() when
ath11k_mhi_read_addr_from_dt() fails.
Signed-off-by: Jianglei Nie <niejianglei2021@163.com>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220907073704.58806-1-niejianglei2021@163.com
On-board SRAM contains valuable information for firmware debugging so
add a new file named "sram" to debugfs with which we can dump SRAM
content using following the following:
cp /sys/kernel/debug/ath11k/wcn6855\ hw2.0/sram /tmp/sram
Currently this feature is enabled for QCA6390 and WCN6855.
Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220802075533.1744-3-quic_bqiang@quicinc.com
ath11k_pcic_write32/read32 tries to do wake up before doing actual
write/read work, which means each time a u32 is written/read, wake
up is performed. This is not necessary in case where we do a
large amount of write/read, because only one time of wake up is needed.
So split each one into two parts, the first part does wake up and
release, and the second one does actual write/read work.
Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220802075533.1744-2-quic_bqiang@quicinc.com
Enable remain on channel support on WCN6750 as it is needed for
GAS, Passpoint.
Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1
Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220901080656.3450-1-quic_mpubbise@quicinc.com
Add support to connect to a non-transmit MBSSID AP profile.
Non-transmit MBSSID profile parameters are passed to the firmware
via WMI VDEV UP command and this helps firmware to track MBSSID
profile within the multi-BSS beacon and report beacon loss if
any.
WCN6750, QCA6390 & WCN6855 firmwares have the support and hence
enable the support on these hardwares.
Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1
Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220901080616.29414-1-quic_mpubbise@quicinc.com
Currently, creation of debugfs entries for TWT is failing during
hardware restart because of the residual TWT files which were
created during add_interface(). Since, struct arvif{} is memset
to zero upon add_interface() invocation, when the hardware restart
is triggered, arvif is memset to 0 and TWT files are attempted to
create again which will fail because of the residual TWT files
already in place, this leads to hardware restart failure.
Also, it is not a good idea to return error from add_interface()
because of debugfs file creation failures. Moreover, debugfs
framework can very well handle the errors in it's create file &
remove file APIs and the errors returned by these APIs are not
checked in most usecases.
Fix the HW restart failure by ignoring the errors returned from
the debugfs APIs.
Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1
Fixes: fe98a6137d ("ath11k: add debugfs for TWT debug calls")
Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220720135150.22193-3-quic_mpubbise@quicinc.com
Currently TWT debugfs files required for manually testing the
TWT feature are created only for the AP interfaces; these debugfs
hooks are also required for the station interfaces in order to
test the TWT feature manually, therefore create these debugfs
hooks for station iftype as well.
In the case of station interfaces, TWT is entirely handled in the
firmware based on input parameters passed to it during association
via TWT enable WMI command. In order to manually test this feature,
firmware expects to first disable the TWT feature and then send the
enable command with sta_cong_timer_ms parameter set to 0.
This is true for WCN6750, QCA6390 & WCN6855 hardwares.
Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1
Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220720135150.22193-2-quic_mpubbise@quicinc.com
Add cold boot calibration support on WCN6750. Unlike other
chipsets where firmware(FW) is restarted after cold boot
calibration is completed, it is recommended not to restart
the firmware for WCN6750.
For WCN6750, FW sends both CAL_DONE & FW_READY QMI indication
to the driver after cold boot calibration is completed.
QMI message flow for WCN6750 with cold boot support:
FW_INIT_DONE to HOST -> CALIBRATION Mode to FW -> CAL_DONE to Host ->
FW_READY to Host -> MODE_ON to FW
QMI message flow for other chipsets with cold boot support:
FW_INIT_DONE to Host -> CALIBRATION Mode to FW -> FW_READY to Host ->
Trigger FW restart -> FW_INIT_DONE to HOST -> MODE_ON to FW
QMI message flow for chipsets without cold boot support:
FW_INIT_DONE to Host -> MODE_ON to FW
Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1
Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220720134909.15626-3-quic_mpubbise@quicinc.com
QMI message IDs for some of the QMI messages were incorrectly
defined in the original implementation. These have to be corrected
to enable cold boot support on WCN6750. These corrections are
applicable for all chipsets and will not impact them. Refactor the
code accordingly.
Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1
Fixes: d5c65159f2 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220720134909.15626-2-quic_mpubbise@quicinc.com
When the system shuts down, SMMU driver will be stopped and
will not assist in IOVA translations. SMMU driver expects all
of its consumers to shutdown before shutting down itself.
WCN6750 being one of the consumer device should not perform any
DMA operations after the SMMU has shutdown which will otherwise
result in SMMU faults.
SMMU driver will call the shutdown() callback of all its
consumer devices and the consumers shall stop further DMA
activity after the invocation of their respective shutdown()
callbacks.
Register the shutdown() callback to the platform core for WCN6750.
Change will not impact other AHB ath11k devices.
Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1
Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220720134710.15523-1-quic_mpubbise@quicinc.com
syzbot is reporting uninit value at ath9k_htc_rx_msg() [1], for
ioctl(USB_RAW_IOCTL_EP_WRITE) can call ath9k_hif_usb_rx_stream() with
pkt_len = 0 but ath9k_hif_usb_rx_stream() uses
__dev_alloc_skb(pkt_len + 32, GFP_ATOMIC) based on an assumption that
pkt_len is valid. As a result, ath9k_hif_usb_rx_stream() allocates skb
with uninitialized memory and ath9k_htc_rx_msg() is reading from
uninitialized memory.
Since bytes accessed by ath9k_htc_rx_msg() is not known until
ath9k_htc_rx_msg() is called, it would be difficult to check minimal valid
pkt_len at "if (pkt_len > 2 * MAX_RX_BUF_SIZE) {" line in
ath9k_hif_usb_rx_stream().
We have two choices. One is to workaround by adding __GFP_ZERO so that
ath9k_htc_rx_msg() sees 0 if pkt_len is invalid. The other is to let
ath9k_htc_rx_msg() validate pkt_len before accessing. This patch chose
the latter.
Note that I'm not sure threshold condition is correct, for I can't find
details on possible packet length used by this protocol.
Link: https://syzkaller.appspot.com/bug?extid=2ca247c2d60c7023de7f [1]
Reported-by: syzbot <syzbot+2ca247c2d60c7023de7f@syzkaller.appspotmail.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/7acfa1be-4b5c-b2ce-de43-95b0593fb3e5@I-love.SAKURA.ne.jp
* rtw88: operation, locking, warning, and code style fixes
* rtw89: small updates
* cfg80211/mac80211: more EHT/MLO (802.11be, WiFi 7) work
* brcmfmac: a couple of fixes
* misc cleanups etc.
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Merge tag 'wireless-next-2022-08-26-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes berg says:
====================
Various updates:
* rtw88: operation, locking, warning, and code style fixes
* rtw89: small updates
* cfg80211/mac80211: more EHT/MLO (802.11be, WiFi 7) work
* brcmfmac: a couple of fixes
* misc cleanups etc.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The Lenovo OneLink+ Dock contains an RTL8153 controller that behaves as
a broken CDC device by default. Add the custom Lenovo PID to the r8152
driver to support it properly.
Also, systems compatible with this dock provide a BIOS option to enable
MAC address passthrough (as per Lenovo document "ThinkPad Docking
Solutions 2017"). Add the custom PID to the MAC passthrough list too.
Tested on a ThinkPad 13 1st gen with the expected results:
passthrough disabled: Invalid header when reading pass-thru MAC addr
passthrough enabled: Using pass-thru MAC addr XX:XX:XX:XX:XX:XX
Signed-off-by: Jean-Francois Le Fillatre <jflf_kernel@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2022-08-24 (ice)
This series contains updates to ice driver only.
Marcin adds support for TC parsing on TTL and ToS fields.
Anatolli adds support for devlink port split command to allow
configuration of various port configurations.
Jake allows for passing and writing an additional NVM write activate
field by expanding current cmd_flag.
Ani makes PHY debug output more readable.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
clang reports uninitialized use:
>> drivers/net/wireless/realtek/rtw88/main.c:731:2: warning: variable
'primary_channel_idx' is used uninitialized whenever switch default is
taken [-Wsometimes-uninitialized]
default:
^~~~~~~
drivers/net/wireless/realtek/rtw88/main.c:754:39: note: uninitialized
use occurs here
hal->current_primary_channel_index = primary_channel_idx;
^~~~~~~~~~~~~~~~~~~
drivers/net/wireless/realtek/rtw88/main.c:687:24: note: initialize the
variable 'primary_channel_idx' to silence this warning
u8 primary_channel_idx;
^
= '\0'
This situation could not happen, because possible channel bandwidth
20/40/80MHz are enumerated.
Fixes: 341dd1f7de ("wifi: rtw88: add the update channel flow to support setting by parameters")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20220815062004.22920-1-pkshih@realtek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
As per RGMII specification v2.0, section 3.4.1, RGMII/RTBI has an
optional in-band status feature where the PHY's link status, speed and
duplex mode can be passed to the MAC.
Allow RGMII/RTBI to use in-band status.
Signed-off-by: Qingfang DENG <dqfext@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Maksym Glubokiy says:
====================
net: prestera: matchall features
This patch series extracts matchall rules management out of SPAN API
implementation and adds 2 features on top of that:
- support for egress traffic (mirred egress action)
- proper rule priorities management between matchall and flower
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
matchall rules can be added only to chain 0 and their priorities have
limitations:
- new matchall ingress rule's priority must be higher (lower value)
than any existing flower rule;
- new matchall egress rule's priority must be lower (higher value)
than any existing flower rule.
The opposite works for flower rule adding:
- new flower ingress rule's priority must be lower (higher value)
than any existing matchall rule;
- new flower egress rule's priority must be higher (lower value)
than any existing matchall rule.
This is a hardware limitation and thus must be properly handled in
driver by reporting errors to the user when newly added rule has such a
priority that cannot be installed into the hardware.
To achieve this, the driver must maintain both min/max matchall
priorities for every flower block when user adds/deletes a matchall
rule, as well as both min/max flower priorities for chain 0 for every
adding/deletion of flower rules for chain 0.
Cc: Serhiy Boiko <serhiy.boiko@plvision.eu>
Signed-off-by: Maksym Glubokiy <maksym.glubokiy@plvision.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit adds more clarity to handling of TC_CLSMATCHALL_REPLACE and
TC_CLSMATCHALL_DESTROY events by calling newly added *_mall_*() handlers
instead of directly calling SPAN API.
This also extracts matchall rules management out of SPAN API since SPAN
is a hardware module which is used to implement 'matchall egress mirred'
action only.
Signed-off-by: Taras Chornyi <tchornyi@marvell.com>
Signed-off-by: Serhiy Boiko <serhiy.boiko@plvision.eu>
Signed-off-by: Maksym Glubokiy <maksym.glubokiy@plvision.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add phylink based ethtool pause configuration
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are some exotic ax88772 based devices which may require
functionality provide by the phylink framework. For example:
- US100A20SFP, USB 2.0 auf LWL Converter with SFP Cage
- AX88772B USB to 100Base-TX Ethernet (with RMII) demo board, where it
is possible to switch between internal PHY and external RMII based
connection.
So, convert this driver to phylink as soon as possible.
Tested with:
- AX88772A + internal PHY
- AX88772B + external DP83TD510E T1L PHY
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.
Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If we add 6 GHz capability in MLO, we cannot use the SMPS
mode from the deflink. Pass it separately instead since on
a second link we don't even have a link data struct yet.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In order to ensure only documented properties are present, node schemas
must have unevaluatedProperties or additionalProperties set to false
(typically). Add missing properties/$refs as exposed by this addition.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220825192609.1538463-1-robh@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Use try_cmpxchg instead of cmpxchg (*ptr, old, new) == old in
napi_if_scheduled_mark_missed. x86 CMPXCHG instruction returns
success in ZF flag, so this change saves a compare after cmpxchg
(and related move instruction in front of cmpxchg).
Also, try_cmpxchg implicitly assigns old *ptr value to "old" when cmpxchg
fails, enabling further code simplifications.
Cc: Eric Dumazet <edumazet@google.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Link: https://lore.kernel.org/r/20220822143243.2798-1-ubizjak@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - new code bugs:
- dsa: don't dereference NULL extack in dsa_slave_changeupper()
- dpaa: fix <1G ethernet on LS1046ARDB
- neigh: don't call kfree_skb() under spin_lock_irqsave()
Previous releases - regressions:
- r8152: fix the RX FIFO settings when suspending
- dsa: microchip: keep compatibility with device tree blobs with
no phy-mode
- Revert "net: macsec: update SCI upon MAC address change."
- Revert "xfrm: update SA curlft.use_time", comply with RFC 2367
Previous releases - always broken:
- netfilter: conntrack: work around exceeded TCP receive window
- ipsec: fix a null pointer dereference of dst->dev on a metadata
dst in xfrm_lookup_with_ifid
- moxa: get rid of asymmetry in DMA mapping/unmapping
- dsa: microchip: make learning configurable and keep it off
while standalone
- ice: xsk: prohibit usage of non-balanced queue id
- rxrpc: fix locking in rxrpc's sendmsg
Misc:
- another chunk of sysctl data race silencing
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from ipsec and netfilter (with one broken Fixes tag).
Current release - new code bugs:
- dsa: don't dereference NULL extack in dsa_slave_changeupper()
- dpaa: fix <1G ethernet on LS1046ARDB
- neigh: don't call kfree_skb() under spin_lock_irqsave()
Previous releases - regressions:
- r8152: fix the RX FIFO settings when suspending
- dsa: microchip: keep compatibility with device tree blobs with no
phy-mode
- Revert "net: macsec: update SCI upon MAC address change."
- Revert "xfrm: update SA curlft.use_time", comply with RFC 2367
Previous releases - always broken:
- netfilter: conntrack: work around exceeded TCP receive window
- ipsec: fix a null pointer dereference of dst->dev on a metadata dst
in xfrm_lookup_with_ifid
- moxa: get rid of asymmetry in DMA mapping/unmapping
- dsa: microchip: make learning configurable and keep it off while
standalone
- ice: xsk: prohibit usage of non-balanced queue id
- rxrpc: fix locking in rxrpc's sendmsg
Misc:
- another chunk of sysctl data race silencing"
* tag 'net-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (87 commits)
net: lantiq_xrx200: restore buffer if memory allocation failed
net: lantiq_xrx200: fix lock under memory pressure
net: lantiq_xrx200: confirm skb is allocated before using
net: stmmac: work around sporadic tx issue on link-up
ionic: VF initial random MAC address if no assigned mac
ionic: fix up issues with handling EAGAIN on FW cmds
ionic: clear broken state on generation change
rxrpc: Fix locking in rxrpc's sendmsg
net: ethernet: mtk_eth_soc: fix hw hash reporting for MTK_NETSYS_V2
MAINTAINERS: rectify file entry in BONDING DRIVER
i40e: Fix incorrect address type for IPv6 flow rules
ixgbe: stop resetting SYSTIME in ixgbe_ptp_start_cyclecounter
net: Fix a data-race around sysctl_somaxconn.
net: Fix a data-race around netdev_unregister_timeout_secs.
net: Fix a data-race around gro_normal_batch.
net: Fix data-races around sysctl_devconf_inherit_init_net.
net: Fix data-races around sysctl_fb_tunnels_only_for_init_net.
net: Fix a data-race around netdev_budget_usecs.
net: Fix data-races around sysctl_max_skb_frags.
net: Fix a data-race around netdev_budget.
...
Petr Machata says:
====================
mlxsw: Remove some unused code
This patchset removes code that is not used anymore after the following two
commits removed all users:
- commit b0d80c013b ("mlxsw: Remove Mellanox SwitchX-2 ASIC support")
- commit 9b43fbb8ce ("mlxsw: Remove Mellanox SwitchIB ASIC support")
====================
Link: https://lore.kernel.org/r/cover.1661350629.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Function mlxsw_core_port_type_get() is no longer used. So remove it.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
port_type_set devlink op is no longer used by any mlxsw driver,
so remove it.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There are some IB leftovers that are no longer used in the code.
So remove them.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Jiri Pirko says:
====================
net: devlink: sync flash and dev info commands
Purpose of this patchset is to introduce consistency between two devlink
commands:
devlink dev info
Shows versions of running default flash target and components.
devlink dev flash
Flashes default flash target or component name (if specified
on cmdline).
Currently it is up to the driver what versions to expose and what flash
update component names to accept. This is inconsistent. Thankfully, only
netdevsim currently using components so it is still time
to sanitize this.
This patchset makes sure, that devlink.c calls into driver for
component flash update only in case the driver exposes the same version
name.
Example:
$ devlink dev info
netdevsim/netdevsim10:
driver netdevsim
versions:
running:
fw.mgmt 10.20.30
stored:
fw.mgmt 10.20.30
$ devlink dev flash netdevsim/netdevsim10 file somefile.bin
[fw.mgmt] Preparing to flash
[fw.mgmt] Flashing 100%
[fw.mgmt] Flash select
[fw.mgmt] Flashing done
$ devlink dev flash netdevsim/netdevsim10 file somefile.bin component fw.mgmt
[fw.mgmt] Preparing to flash
[fw.mgmt] Flashing 100%
[fw.mgmt] Flash select
[fw.mgmt] Flashing done
$ devlink dev flash netdevsim/netdevsim10 file somefile.bin component dummy
Error: selected component is not supported by this device.
====================
Link: https://lore.kernel.org/r/20220824122011.1204330-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Limit the acceptance of component name passed to cmd_flash_update() to
match one of the versions returned by info_get(), marked by version type.
This makes things clearer and enforces 1:1 mapping between exposed
version and accepted flash component.
Check VERSION_TYPE_COMPONENT version type during cmd_flash_update()
execution by calling info_get() with different "req" context.
That causes info_get() to lookup the component name instead of
filling-up the netlink message.
Remove "UPDATE_COMPONENT" flag which becomes used.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix the only component user which is netdevsim. It uses component named
"fw.mgmt" in selftests. So add this version to info_get() output with
version type component.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Whenever the driver is called by his info_get() op, it may put multiple
version names and values to the netlink message. Extend by additional
helper devlink_info_version_running/stored_put_ext() that allows to
specify a version type that indicates when particular version name
represents a flash component.
This is going to be used in follow-up patch calling info_get() during
flash update command checking if version with this the version type
exists.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Aleksander Jan Bajkowski says:
====================
net: lantiq_xrx200: fix errors under memory pressure
This series fixes issues that can occur in the driver under memory pressure.
Situations when the system cannot allocate memory are rare, so the mentioned
bugs have been fixed recently. The patches have been tested on a BT Home
router with the Lantiq xRX200 chipset.
Changelog:
v3: - removed netdev_err() log from the first patch
v2:
- the second patch has been changed, so that under memory pressure situation
the driver will not receive packets indefinitely regardless of the NAPI budget,
- the third patch has been added.
====================
Link: https://lore.kernel.org/r/20220824215408.4695-1-olek2@wp.pl
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In a situation where memory allocation fails, an invalid buffer address
is stored. When this descriptor is used again, the system panics in the
build_skb() function when accessing memory.
Fixes: 7ea6cd16f1 ("lantiq: net: fix duplicated skb in rx descriptor ring")
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When the xrx200_hw_receive() function returns -ENOMEM, the NAPI poll
function immediately returns an error.
This is incorrect for two reasons:
* the function terminates without enabling interrupts or scheduling NAPI,
* the error code (-ENOMEM) is returned instead of the number of received
packets.
After the first memory allocation failure occurs, packet reception is
locked due to disabled interrupts from DMA..
Fixes: fe1a56420c ("net: lantiq: Add Lantiq / Intel VRX200 Ethernet driver")
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Jeff Johnson