Remove the explicit calls to xpcs_config_eee() from the stmmac driver,
preferring instead for phylink to manage the EEE configuration at the
PCS.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1thRQO-003w7I-Ap@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Convert XPCS to use the new pcs_disable_eee() and pcs_enable_eee()
methods. Since stmmac is the only user of xpcs_config_eee(), we can
make this a no-op along with this change.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1thRQJ-003w7C-6v@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Arrange for stmmac to call the new xpcs_config_eee_mult_fact() function
to configure the EEE clock multiplying factor. This will allow the
removal of the xpcs_config_eee() calls in the next patch.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1thRQE-003w76-3C@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a function to separate out the EEE clock multiplying factor. This
will be called by the stmmac driver to configure this value.
It would have been better had the driver used the CLK API to retrieve
this clock, get its rate and calculate the appropriate multiplier, but
that door has closed.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1thRQ8-003w70-VT@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There are hooks in the stmmac driver into XPCS to control the EEE
settings when LPI is configured at the MAC. This bypasses the layering.
To allow this to be removed from the stmmac driver, add two new
methods for PCS to inform them when the LPI/EEE enablement state
changes at the MAC.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1thRQ3-003w6u-RH@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Eric Dumazet says:
====================
inet: better inet_sock_set_state() for passive flows
Small series to make inet_sock_set_state() more interesting for
LISTEN -> TCP_SYN_RECV changes : The 4-tuple parts are now correct.
First patch is a cleanup.
====================
Link: https://patch.msgid.link/20250212131328.1514243-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current inet_sock_set_state trace from inet_csk_clone_lock() is missing
many details :
... sock:inet_sock_set_state: family=AF_INET6 protocol=IPPROTO_TCP \
sport=4901 dport=0 \
saddr=127.0.0.6 daddr=0.0.0.0 \
saddrv6=:: daddrv6=:: \
oldstate=TCP_LISTEN newstate=TCP_SYN_RECV
Only the sport gives the listener port, no other parts of the n-tuple are correct.
In this patch, I initialize relevant fields of the new socket before
calling inet_sk_set_state(newsk, TCP_SYN_RECV).
We now have a trace including all the source/destination bits.
... sock:inet_sock_set_state: family=AF_INET6 protocol=IPPROTO_TCP \
sport=4901 dport=47648 \
saddr=127.0.0.6 daddr=127.0.0.6 \
saddrv6=2002:a05:6830:1f85:: daddrv6=2001:4860:f803:65::3 \
oldstate=TCP_LISTEN newstate=TCP_SYN_RECV
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250212131328.1514243-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Return early from inet_csk_clone_lock() if the socket
allocation failed, to reduce the indentation level.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250212131328.1514243-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Refactor clock management in EQoS driver for code reuse and to avoid
redundancy. This way, only minimal changes are required when a new platform
is added.
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Swathi K S <swathi.ks@samsung.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250213041559.106111-1-swathi.ks@samsung.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For GSO packets, skb_cow_head() will reallocate the skb for TSO header
cloned skbs in airoha_dev_xmit(). For this reason, sinfo pointer can be
no more valid. Fix the issue relying on skb_shinfo() macro directly in
airoha_dev_xmit().
The problem exists since
commit 23020f0493 ("net: airoha: Introduce ethernet support for EN7581 SoC")
but it is not a user visible, since we can't currently enable TSO
for DSA user ports since we are missing to initialize net_device
vlan_features field.
Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250213-airoha-en7581-flowtable-offload-v4-1-b69ca16d74db@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Use EXPORT_IPV6_MOD[_GPL]() for symbols that don't need
to be exported unless CONFIG_IPV6=m
udp_table is no longer used from any modules, and does not
need to be exported anyway.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Link: https://patch.msgid.link/20250212132418.1524422-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Use EXPORT_IPV6_MOD[_GPL]() for symbols that don't need
to be exported unless CONFIG_IPV6=m
tcp_hashinfo and tcp_openreq_init_rwin() are no longer
used from any module anyway.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Link: https://patch.msgid.link/20250212132418.1524422-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Use EXPORT_IPV6_MOD[_GPL]() for symbols that do not need to
to be exported unless CONFIG_IPV6=m
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Link: https://patch.msgid.link/20250212132418.1524422-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We have many EXPORT_SYMBOL(x) in networking tree because IPv6
can be built as a module.
CONFIG_IPV6=y is becoming the norm.
Define a EXPORT_IPV6_MOD(x) which only exports x
for modular IPv6.
Same principle applies to EXPORT_IPV6_MOD_GPL()
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Link: https://patch.msgid.link/20250212132418.1524422-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Kalle Valo steps down after serving as the WiFi driver maintainer
for over a decade.
Current release - fix to a fix:
- vsock: orphan socket after transport release, avoid null-deref
- Bluetooth: L2CAP: fix corrupted list in hci_chan_del
Current release - regressions:
- eth: stmmac: correct Rx buffer layout when SPH is enabled
- rxrpc: fix alteration of headers whilst zerocopy pending
- eth: iavf: fix a locking bug in an error path
- s390/qeth: move netif_napi_add_tx() and napi_enable() from under BH
- Revert "netfilter: flowtable: teardown flow if cached mtu is stale"
Current release - new code bugs:
- rxrpc: fix ipv6 path MTU discovery, only ipv4 worked
- pse-pd: fix deadlock in current limit functions
Previous releases - regressions:
- rtnetlink: fix netns refleak with rtnl_setlink()
- wifi: brcmfmac: use random seed flag for BCM4355 and BCM4364 firmware
Previous releases - always broken:
- add missing RCU protection of struct net throughout the stack
- can: rockchip: bail out if skb cannot be allocated
- eth: ti: am65-cpsw: base XDP support fixes
Misc:
- ethtool: tsconfig: update the format of hwtstamp flags,
changes the uAPI but this uAPI was not in any release yet
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, wireless and bluetooth.
Kalle Valo steps down after serving as the WiFi driver maintainer for
over a decade.
Current release - fix to a fix:
- vsock: orphan socket after transport release, avoid null-deref
- Bluetooth: L2CAP: fix corrupted list in hci_chan_del
Current release - regressions:
- eth:
- stmmac: correct Rx buffer layout when SPH is enabled
- iavf: fix a locking bug in an error path
- rxrpc: fix alteration of headers whilst zerocopy pending
- s390/qeth: move netif_napi_add_tx() and napi_enable() from under BH
- Revert "netfilter: flowtable: teardown flow if cached mtu is stale"
Current release - new code bugs:
- rxrpc: fix ipv6 path MTU discovery, only ipv4 worked
- pse-pd: fix deadlock in current limit functions
Previous releases - regressions:
- rtnetlink: fix netns refleak with rtnl_setlink()
- wifi: brcmfmac: use random seed flag for BCM4355 and BCM4364
firmware
Previous releases - always broken:
- add missing RCU protection of struct net throughout the stack
- can: rockchip: bail out if skb cannot be allocated
- eth: ti: am65-cpsw: base XDP support fixes
Misc:
- ethtool: tsconfig: update the format of hwtstamp flags, changes the
uAPI but this uAPI was not in any release yet"
* tag 'net-6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (72 commits)
net: pse-pd: Fix deadlock in current limit functions
rxrpc: Fix ipv6 path MTU discovery
Reapply "net: skb: introduce and use a single page frag cache"
s390/qeth: move netif_napi_add_tx() and napi_enable() from under BH
mlxsw: Add return value check for mlxsw_sp_port_get_stats_raw()
ipv6: mcast: add RCU protection to mld_newpack()
team: better TEAM_OPTION_TYPE_STRING validation
Bluetooth: L2CAP: Fix corrupted list in hci_chan_del
Bluetooth: btintel_pcie: Fix a potential race condition
Bluetooth: L2CAP: Fix slab-use-after-free Read in l2cap_send_cmd
net: ethernet: ti: am65_cpsw: fix tx_cleanup for XDP case
net: ethernet: ti: am65-cpsw: fix RX & TX statistics for XDP_TX case
net: ethernet: ti: am65-cpsw: fix memleak in certain XDP cases
vsock/test: Add test for SO_LINGER null ptr deref
vsock: Orphan socket after transport release
MAINTAINERS: Add sctp headers to the general netdev entry
Revert "netfilter: flowtable: teardown flow if cached mtu is stale"
iavf: Fix a locking bug in an error path
rxrpc: Fix alteration of headers whilst zerocopy pending
net: phylink: make configuring clock-stop dependent on MAC support
...
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Merge tag 'for-6.14-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- fix stale page cache after race between readahead and direct IO write
- fix hole expansion when writing at an offset beyond EOF, the range
will not be zeroed
- use proper way to calculate offsets in folio ranges
* tag 'for-6.14-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix hole expansion when writing at an offset beyond EOF
btrfs: fix stale page cache after race between readahead and direct IO write
btrfs: fix two misuses of folio_shift()
- More fixes for going read-only: the previous fix was insufficient, but
with more work on ordering journal reclaim flushing (and a btree node
accounting fix so we don't split until we have to) the
tiering_replication test now consistently goes read-only in less than
a second.
- fix for fsck when we have reflink pointers to missing indirect
extents
- some transaction restart handling fixes from Alan; the "Pass
_orig_restart_count to trans_was_restarted" likely fixes some rare
undefined behaviour heisenbugs.
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Merge tag 'bcachefs-2025-02-12' of git://evilpiepirate.org/bcachefs
Pull bcachefs fixes from Kent Overstreet:
"Just small stuff.
As a general announcement, on disk format is now frozen in my master
branch - future on disk format changes will be optional, not required.
- More fixes for going read-only: the previous fix was insufficient,
but with more work on ordering journal reclaim flushing (and a
btree node accounting fix so we don't split until we have to) the
tiering_replication test now consistently goes read-only in less
than a second.
- fix for fsck when we have reflink pointers to missing indirect
extents
- some transaction restart handling fixes from Alan; the "Pass
_orig_restart_count to trans_was_restarted" likely fixes some rare
undefined behaviour heisenbugs"
* tag 'bcachefs-2025-02-12' of git://evilpiepirate.org/bcachefs:
bcachefs: Reuse transaction
bcachefs: Pass _orig_restart_count to trans_was_restarted
bcachefs: CONFIG_BCACHEFS_INJECT_TRANSACTION_RESTARTS
bcachefs: Fix want_new_bset() so we write until the end of the btree node
bcachefs: Split out journal pins by btree level
bcachefs: Fix use after free
bcachefs: Fix marking reflink pointers to missing indirect extents
Fix a deadlock in pse_pi_get_current_limit and pse_pi_set_current_limit
caused by consecutive mutex_lock calls. One in the function itself and
another in pse_pi_get_voltage.
Resolve the issue by using the unlocked version of pse_pi_get_voltage
instead.
Fixes: e0a5e2bba3 ("net: pse-pd: Use power limit at driver side instead of current limit")
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20250212151751.1515008-1-kory.maincent@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
rxrpc path MTU discovery currently only makes use of ICMPv4, but not
ICMPv6, which means that pmtud for IPv6 doesn't work correctly. Fix it to
check for ICMPv6 messages also.
Fixes: eeaedc5449 ("rxrpc: Implement path-MTU probing using padded PING ACKs (RFC8899)")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: Simon Horman <horms@kernel.org>
cc: linux-afs@lists.infradead.org
Link: https://patch.msgid.link/3517283.1739359284@warthog.procyon.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'nf-25-02-13' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following batch contains one revert for:
1) Revert flowtable entry teardown cycle when skbuff exceeds mtu to
deal with DF flag unset scenarios. This is reverts a patch coming
in the previous merge window (available in 6.14-rc releases).
* tag 'nf-25-02-13' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
Revert "netfilter: flowtable: teardown flow if cached mtu is stale"
====================
Link: https://patch.msgid.link/20250213100502.3983-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This reverts commit 011b033590.
Sabrina reports that the revert may trigger warnings due to intervening
changes, especially the ability to rise MAX_SKB_FRAGS. Let's drop it
and revisit once that part is also ironed out.
Fixes: 011b033590 ("Revert "net: skb: introduce and use a single page frag cache"")
Reported-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://lore.kernel.org/6bf54579233038bc0e76056c5ea459872ce362ab.1739375933.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'loongarch-fixes-6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch fixes from Huacai Chen:
"Fix bugs about idle, kernel_page_present(), IP checksum and KVM, plus
some trival cleanups"
* tag 'loongarch-fixes-6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: KVM: Set host with kernel mode when switch to VM mode
LoongArch: KVM: Remove duplicated cache attribute setting
LoongArch: KVM: Fix typo issue about GCFG feature detection
LoongArch: csum: Fix OoB access in IP checksum code for negative lengths
LoongArch: Remove the deprecated notifier hook mechanism
LoongArch: Use str_yes_no() helper function for /proc/cpuinfo
LoongArch: Fix kernel_page_present() for KPRANGE/XKPRANGE
LoongArch: Fix idle VS timer enqueue
Fixes and new HW support:
- thinkpad_acpi:
- Fix registration of tpacpi platform driver
- Support fan speed in ticks per revolution (Thinkpad X120e)
- Support V9 DYTC profiles (new Thinkpad AMD platforms)
- int3472: Handle GPIO "enable" vs "reset" variation (ov7251)
The following is an automated shortlog grouped by driver:
int3472:
- Call "reset" GPIO "enable" for INT347E
- Use correct type for "polarity", call it gpio_flags
thinkpad_acpi:
- Fix invalid fan speed on ThinkPad X120e
- Fix registration of tpacpi platform driver
- Support for V9 DYTC platform profiles
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Merge tag 'platform-drivers-x86-v6.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Ilpo Järvinen:
- thinkpad_acpi:
- Fix registration of tpacpi platform driver
- Support fan speed in ticks per revolution (Thinkpad X120e)
- Support V9 DYTC profiles (new Thinkpad AMD platforms)
- int3472: Handle GPIO "enable" vs "reset" variation (ov7251)
* tag 'platform-drivers-x86-v6.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: thinkpad_acpi: Fix registration of tpacpi platform driver
platform/x86: int3472: Call "reset" GPIO "enable" for INT347E
platform/x86: int3472: Use correct type for "polarity", call it gpio_flags
platform/x86: thinkpad_acpi: Support for V9 DYTC platform profiles
platform/x86: thinkpad_acpi: Fix invalid fan speed on ThinkPad X120e
The FiberGecko is a small USB module that connects a 100 Mbit/s SFP
Signed-off-by: Max Schulze <max.schulze@online.de>
Tested-by: Max Schulze <max.schulze@online.de>
Suggested-by: David Hollis <dhollis@davehollis.com>
Reported-by: Sven Kreiensen <s.kreiensen@lyconsys.com>
Link: https://patch.msgid.link/20250212150957.43900-2-max.schulze@online.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a check for the return value of mlxsw_sp_port_get_stats_raw()
in __mlxsw_sp_port_get_stats(). If mlxsw_sp_port_get_stats_raw()
returns an error, exit the function to prevent further processing
with potentially invalid data.
Fixes: 614d509aa1 ("mlxsw: Move ethtool_ops to spectrum_ethtool.c")
Cc: stable@vger.kernel.org # 5.9+
Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/20250212152311.1332-1-vulab@iscas.ac.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
mld_newpack() can be called without RTNL or RCU being held.
Note that we no longer can use sock_alloc_send_skb() because
ipv6.igmp_sk uses GFP_KERNEL allocations which can sleep.
Instead use alloc_skb() and charge the net->ipv6.igmp_sk
socket under RCU protection.
Fixes: b8ad0cbc58 ("[NETNS][IPV6] mcast - handle several network namespace")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20250212141021.1663666-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This adds support for the Intel Killer E5000 which seems to be a
rebranded RTL8126. Copied from r8126 vendor driver.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/9db73e9b-e2e8-45de-97a5-041c5f71d774@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
As part of phylib cleanup we plan to stop exporting the feature arrays.
So explicitly remove the modes not supported by the MAC. The media type
bits don't have any impact on kernel behavior, so don't touch them.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Link: https://patch.msgid.link/be356a21-5a1a-45b3-9407-3a97f3af4600@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
On HCI_OP_RESET command, firmware raises alive interrupt. Driver needs
to wait for this before sending other command. This patch fixes the potential
miss of alive interrupt due to which HCI_OP_RESET can timeout.
Expected flow:
If tx command is HCI_OP_RESET,
1. set data->gp0_received = false
2. send HCI_OP_RESET
3. wait for alive interrupt
Actual flow having potential race:
If tx command is HCI_OP_RESET,
1. send HCI_OP_RESET
1a. Firmware raises alive interrupt here and in ISR
data->gp0_received is set to true
2. set data->gp0_received = false
3. wait for alive interrupt
Signed-off-by: Kiran K <kiran.k@intel.com>
Fixes: 05c200c8f0 ("Bluetooth: btintel_pcie: Add handshake between driver and firmware")
Reported-by: Bjorn Helgaas <helgaas@kernel.org>
Closes: https://patchwork.kernel.org/project/bluetooth/patch/20241001104451.626964-1-kiran.k@intel.com/
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
ioctl(SIOCDARP/SIOCSARP) operates on a single netns fetched from
an AF_INET socket in inet_ioctl().
Let's hold rtnl_net_lock() for SIOCDARP and SIOCSARP.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250211045057.10419-1-kuniyu@amazon.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Marvell 88Q2XXX devices support up to two configurable Light Emitting
Diode (LED). Add minimal LED controller driver supporting the most common
uses with the 'netdev' trigger.
Reviewed-by: Stefan Eichenberger <eichest@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com>
Link: https://patch.msgid.link/20250210-marvell-88q2xxx-leds-v4-1-3a0900dc121f@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
For XDP transmit case, swdata doesn't contain SKB but the
XDP Frame. Infer the correct swdata based on buffer type
and return the XDP Frame for XDP transmit case.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Fixes: 8acacc40f7 ("net: ethernet: ti: am65-cpsw: Add minimal XDP support")
Link: https://patch.msgid.link/20250210-am65-cpsw-xdp-fixes-v1-3-ec6b1f7f1aca@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For successful XDP_TX and XDP_REDIRECT cases, the packet was received
successfully so update RX statistics. Use original received
packet length for that.
TX packets statistics are incremented on TX completion so don't
update it while TX queueing.
If xdp_convert_buff_to_frame() fails, increment tx_dropped.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Fixes: 8acacc40f7 ("net: ethernet: ti: am65-cpsw: Add minimal XDP support")
Link: https://patch.msgid.link/20250210-am65-cpsw-xdp-fixes-v1-2-ec6b1f7f1aca@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If the XDP program doesn't result in XDP_PASS then we leak the
memory allocated by am65_cpsw_build_skb().
It is pointless to allocate SKB memory before running the XDP
program as we would be wasting CPU cycles for cases other than XDP_PASS.
Move the SKB allocation after evaluating the XDP program result.
This fixes the memleak. A performance boost is seen for XDP_DROP test.
XDP_DROP test:
Before: 460256 rx/s 0 err/s
After: 784130 rx/s 0 err/s
Fixes: 8acacc40f7 ("net: ethernet: ti: am65-cpsw: Add minimal XDP support")
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Link: https://patch.msgid.link/20250210-am65-cpsw-xdp-fixes-v1-1-ec6b1f7f1aca@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Now for dwmac-loongson {tx,rx}_fifo_size are uninitialised, which means
zero. This means dwmac-loongson doesn't support changing MTU because in
stmmac_change_mtu() it requires the fifo size be no less than MTU. Thus,
set the correct tx_fifo_size and rx_fifo_size for it (16KB multiplied by
queue counts).
Here {tx,rx}_fifo_size is initialised with the initial value (also the
maximum value) of {tx,rx}_queues_to_use. So it will keep as 16KB if we
don't change the queue count, and will be larger than 16KB if we change
(decrease) the queue count. However stmmac_change_mtu() still work well
with current logic (MTU cannot be larger than 16KB for stmmac).
Note: the Fixes tag picked here is the oldest commit and key commit of
the dwmac-loongson series "stmmac: Add Loongson platform support".
Acked-by: Yanteng Si <si.yanteng@linux.dev>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Chong Qiao <qiaochong@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://patch.msgid.link/20250210134328.2755328-1-chenhuacai@loongson.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
PRMD register is only meaningful on the beginning stage of exception
entry, and it is overwritten with nested irq or exception.
When CPU runs in VM mode, interrupt need be enabled on host. And the
mode for host had better be kernel mode rather than random or user mode.
When VM is running, the running mode with top command comes from CRMD
register, and running mode should be kernel mode since kernel function
is executing with perf command. It needs be consistent with both top and
perf command.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Cache attribute comes from GPA->HPA secondary mmu page table and is
configured when kvm is enabled. It is the same for all VMs, so remove
duplicated cache attribute setting on vCPU context switch.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This is typo issue and misusage about GCFG feature macro. The code
is wrong, only that it does not cause obvious problem since GCFG is
set again on vCPU context switch.
Fixes: 0d0df3c99d ("LoongArch: KVM: Implement kvm hardware enable, disable interface")
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Commit 69e3a6aa6b ("LoongArch: Add checksum optimization for 64-bit
system") would cause an undefined shift and an out-of-bounds read.
Commit 8bd795fedb ("arm64: csum: Fix OoB access in IP checksum code
for negative lengths") fixes the same issue on ARM64.
Fixes: 69e3a6aa6b ("LoongArch: Add checksum optimization for 64-bit system")
Co-developed-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: Yuli Wang <wangyuli@uniontech.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
The notifier hook mechanism in proc and cpuinfo is actually unnecessary
for LoongArch because it's not used anywhere.
It was originally added to the MIPS code in commit d6d3c9afaa ("MIPS:
MT: proc: Add support for printing VPE and TC ids"), and LoongArch then
inherited it.
But as the kernel code stands now, this notifier hook mechanism doesn't
really make sense for either LoongArch or MIPS.
In addition, the seq_file forward declaration needs to be moved to its
proper place, as only the show_ipi_list() function in smp.c requires it.
Co-developed-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: Yuli Wang <wangyuli@uniontech.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
