Devlink param value attribute is not defined since devlink is handling
the value validating and parsing internally, this allows us to implement
multi attribute values without breaking any policies.
Devlink param multi-attribute values are considered to be dynamically
sized arrays of u64 values, by introducing a new devlink param type
DEVLINK_PARAM_TYPE_U64_ARRAY, driver and user space can set a variable
count of u64 values into the DEVLINK_ATTR_PARAM_VALUE_DATA attribute.
Implement get/set parsing and add to the internal value structure passed
to drivers.
This is useful for devices that need to configure a list of values for
a specific configuration.
example:
$ devlink dev param show pci/... name multi-value-param
name multi-value-param type driver-specific
values:
cmode permanent value: 0,1,2,3,4,5,6,7
$ devlink dev param set pci/... name multi-value-param \
value 4,5,6,7,0,1,2,3 cmode permanent
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Link: https://patch.msgid.link/20260609040453.711932-5-rkannoth@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Convert lan9303.txt to yaml format to fix below CHECK_DTBS warnings:
arch/arm/boot/dts/nxp/imx/imx53-kp-hsc.dtb: /soc/bus@50000000/i2c@53fec000/switch@a: failed to match any schema with compatible: ['smsc,lan9303-i2c']
Additional changes:
- rename switch-phy to switch in example.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260610150533.515914-1-Frank.Li@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add DPLL_TYPE_GENERIC to represent DPLL devices which do not fit the
existing PPS or EEC classes.
The UAPI type is intentionally generic. During netdev discussion,
maintainers pointed out that introducing identifiers tied to a specific
placement or single design does not scale across ASICs and vendors.
The role of a DPLL is already inferable from the spawning driver,
bus device, and pin topology, without encoding additional
purpose-specific taxonomy in the type name.
Using a generic type keeps the UAPI extensible and avoids premature
naming that may become incorrect as new hardware topologies are
exposed through the DPLL subsystem.
Expose the new type through UAPI and netlink specification as "generic".
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Grzegorz Nitka <grzegorz.nitka@intel.com>
Link: https://patch.msgid.link/20260607183045.1213735-2-grzegorz.nitka@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'ipsec-next-2026-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
Steffen Klassert says:
====================
pull request (net-next): ipsec-next 2026-06-12
1) Replace the open-coded manual cleanup in xfrm_add_policy() error
path with xfrm_policy_destroy() for consistency with
xfrm_policy_construct().
From Deepanshu Kartikey.
2) Limit XFRMA_TFCPAD to a sensible maximum (max IP length, 64k) since
u32 is excessive for traffic flow confidentiality padding.
From David Ahern.
3) Add a new netlink message XFRM_MSG_MIGRATE_STATE that
allows migrating individual IPsec SAs independently of
their policies. The existing XFRM_MSG_MIGRATE is tightly coupled
to policy+SA migration, lacks SPI for unique SA identification,
and cannot express reqid changes or migrate Transport mode
selectors. The new interface identifies the SA via SPI and mark,
supports reqid changes, address family changes, encap removal,
and uses an atomic create+install flow under x->lock to prevent
SN/IV reuse during AEAD SA migration.
From Antony Antony.
* tag 'ipsec-next-2026-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next:
xfrm: add documentation for XFRM_MSG_MIGRATE_STATE
xfrm: restrict netlink attributes for XFRM_MSG_MIGRATE_STATE
xfrm: add XFRM_MSG_MIGRATE_STATE for single SA migration
xfrm: make xfrm_dev_state_add xuo parameter const
xfrm: extract address family and selector validation helpers
xfrm: refactor XFRMA_MTIMER_THRESH validation into a helper
xfrm: move encap and xuo into struct xfrm_migrate
xfrm: add error messages to state migration
xfrm: add state synchronization after migration
xfrm: check family before comparing addresses in migrate
xfrm: split xfrm_state_migrate into create and install functions
xfrm: rename reqid in xfrm_migrate
xfrm: fix NAT-related field inheritance in SA migration
xfrm: allow migration from UDP encapsulated to non-encapsulated ESP
xfrm: add extack to xfrm_init_state
xfrm: remove redundant assignments
xfrm: Reject excessive values for XFRMA_TFCPAD
xfrm: cleanup error path in xfrm_add_policy()
====================
Link: https://patch.msgid.link/20260612074725.1760473-1-steffen.klassert@secunet.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a new netdev event for dev unregister and handle the removal of this
dev from psp->assoc_dev_list, upon the first dev-assoc operation.
Signed-off-by: Wei Wang <weibunny@fb.com>
Reviewed-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20260608233118.2694144-4-weibunny.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The main purpose of this cmd is to be able to associate a
non-psp-capable device (e.g. veth or netkit) with a psp device.
One use case is if we create a pair of veth/netkit, and assign 1 end
inside a netns, while leaving the other end within the default netns,
with a real PSP device, e.g. netdevsim or a physical PSP-capable NIC.
With this command, we could associate the veth/netkit inside the netns
with PSP device, so the virtual device could act as PSP-capable device
to initiate PSP connections, and performs PSP encryption/decryption on
the real PSP device.
Signed-off-by: Wei Wang <weibunny@fb.com>
Reviewed-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20260608233118.2694144-3-weibunny.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Introduce 2 versions of psp_device_get_locked:
1. psp_device_get_locked_admin(): This version is used for operations
that would change the status of the psd, and are currently used for
dev-set and key-rotation.
2. psp_device_get_locked(): This is the non-admin version, which are
used for broader user issued operations including: dev-get, rx-assoc,
tx-assoc, get-stats.
Following commit will be implementing both of the checks.
Signed-off-by: Wei Wang <weibunny@fb.com>
Reviewed-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20260608233118.2694144-2-weibunny.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Every now and then someone tries to duplicated extack
messages to dmesg. Document our guidance against this.
Also indicate that system level faults should continue
to go to system logs. The high level thinking is to try
to distinguish between what's important to the user vs
system admin.
Reviewed-by: Joe Damato <joe@dama.to>
Link: https://patch.msgid.link/20260611172149.1877704-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The 10G Realtek Otto switches are divided into two series
- Longan: RTL930x up to 28 ports
- Mango : RTL931x up to 56 ports
The Mango based devices have 3 different SoCs RTL9311, RTL9312 and RTL9313.
The MDIO controller of these switches works like the existing RTL930x
logic but has different characteristics and different registers. Add new
compatibles in the device tree.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://patch.msgid.link/20260610194145.4153668-2-markus.stockhausen@gmx.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The tls_toe feature and its single user (chelsio chtls) have been
unmaintained for multiple years. It also hooks into the core of the
TCP implementation, and bypasses most of the networking stack.
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/1f30e73275c07bf879f547589872d0916025a52e.1781165969.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Minor updates to the XDP metadata documentation:
- s/union/struct/ for xsk_tx_metadata
- document nested request and completion metadata fields
- point capability queries at the xsk-features attribute
- fix grammar in the XDP RX metadata guide
- typos
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://patch.msgid.link/20260609201224.1191391-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
ACCEPT and DONE are the two downcalls of the handshake genl
family, both intended for use by the trusted handshake agent
(tlshd). ACCEPT already requires GENL_ADMIN_PERM; DONE has
no privilege check at all.
The fd-lookup in handshake_nl_done_doit() only confirms that
some pending handshake request exists for the supplied sockfd;
it does not authenticate the sender. An unprivileged process
that guesses or observes a valid sockfd can therefore submit
a DONE with HANDSHAKE_A_DONE_STATUS == 0, leaving the kernel
consumer to proceed as if the handshake succeeded. A non-zero
status on a forged DONE tears down a legitimate in-flight
handshake before tlshd can report its real result.
Fixes: 3b3009ea8a ("net/handshake: Create a NETLINK service for handling handshake requests")
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Hannes Reinecke <hare@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Link: https://patch.msgid.link/20260609141831.90694-1-cel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This sysctl is going to be used in the next commits to drop TCP
timestamps option, to be able to send an ADD_ADDR with a v6 IP address
and a port number. It is enabled by default.
This knob is explicitly disabled in the MPTCP Join selftest, with the
"signal addr list progresses after tx drop" subtest, to continue
verifying the previous behaviour where the ADD_ADDR is not sent due to a
lack of space.
While at it, move syn_retrans_before_tcp_fallback down from struct
mptcp_pernet, to avoid creating another 3 bytes hole.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20260605-net-next-mptcp-add-addr6-port-ts-v2-4-758e7ca73f4d@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Further testing revealed that the RX and TX clocks of the IPQ5018 PHY
need to be explicitly enabled. As such, add the required clocks to the
schema.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: George Moussalem <george.moussalem@outlook.com>
Link: https://patch.msgid.link/20260608-ipq5018-gephy-clocks-v4-2-fb2ccd56894b@outlook.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The clocks property has a restriction to maximum one.
Yet, some PHYs may require more than 1 clock such as the IPQ5018 PHY
which requires two clocks for RX and TX. As such, increase maxItems to
two.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: George Moussalem <george.moussalem@outlook.com>
Link: https://patch.msgid.link/20260608-ipq5018-gephy-clocks-v4-1-fb2ccd56894b@outlook.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When an 802.3ad (LACP) bonding interface has no slaves in the
collecting/distributing state, the bonding master still reports
carrier as up as long as at least 'min_links' slaves have carrier.
In this situation, only one slave is effectively used for TX/RX,
while traffic received on other slaves is dropped. Upper-layer
daemons therefore consider the interface operational, even though
traffic may be blackholed if the lack of LACP negotiation means
the partner is not ready to deal with traffic.
Introduce a configuration knob to control this behavior. It allows
the bonding master to assert carrier only when at least 'min_links'
slaves are in Collecting_Distributing state.
The default mode preserves the existing behavior. This patch only
introduces the knob; its behavior is implemented in the subsequent
commit.
Fixes: 655f8919d5 ("bonding: add min links parameter to 802.3ad")
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
Acked-by: Jay Vosburgh <jv@jvosburgh.net>
Link: https://patch.msgid.link/20260603150331.1919611-4-louis.scalbert@6wind.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Microchip PSE controllers have a dedicated port disable input that like it
name suggest, will disable PoE on all ports.
So, lets document that GPIO.
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20260607165600.1260210-1-robert.marko@sartura.hr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Catch up various bits of documentation after the locking changes.
Reviewed-by: Nicolai Buchwitz <nb@tipi-net.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20260605002912.3456868-13-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'nf-next-26-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
Pablo Neira Ayuso says:
====================
Netfilter/IPVS updates for net-next
The following patchset contains Netfilter/IPVS updates for net-next,
this contains updates to address sashiko reports in IPVS and Netfilter
on possible pre-existing issues. This also includes a series to add
refcount for ct helper and timeout to deal with a corner case scenario
with unconfirmed conntracks flying to nfqueue.
1) Add a conn_max sysctl to IPVS to limit the maximum number of
connections, from Julian Anastasov.
2) Use get_unaligned_be16() to access TCP MSS in nfnetlink_osf,
from Fernando Fernandez Mancera.
3) Use {READ,WRITE}_ONCE to access helper flags from nfnetlink_helper.
Several patches for the synproxy infrastructure, from Fernando
Fernandez Mancera:
4) Drop packet if TCP timestamp adjustment fails.
5) Continue parsing of TCP timestamp to deal with possible duplicates.
6) Use {get,put}_unaligned_be32() to acess the TCP timestamp.
7) Hold ct->lock to initialize nf_ct_seqadj_init().
Updates for the ct timeout infrastructure, to deal with a corner case
for unconfirmed conntracks flying to nfqueue:
8) Add a refcount to track ct timeout policy use by ct extension,
release the timeout until the last ct extension drops the refcnt
on it.
Similar update for the ct helper infrastructure:
9) Dynamic allocation of ct helpers, as a preparation for adding
refcount to track ct extension use.
10) Move destroy_sibling_or_exp() to nf_conntrack_proto_gre, so
pptp conntrack helper module removal does not make this code
unreachable via the helper->destroy callback. This is another
dependency for the new refcount coming in this series.
11) Add a refcount to track use of it from the ct extension, then
ct helper and timeout is reachable to the connection until
it goes away.
12) Remove the genid infrastructure in ct extensions. The primary
goal was to detect that a ct extension such as ct timeout and
ct helper went stale for unconfirmed conntrack, either because
object or module was removed. This deactivates all ct extensions
though for this unconfirmed conntrack.
13) Call nf_ct_gre_keymap_destroy() if this is a master conntrack
with a pptp helper only.
sashiko.dev reports one more relevant issue when unsetting the helper
via ctnetlink that I will address in a follow up patch.
Then, two more assorted updates:
14) Avoid a unlikely underflow in bridge VLAN untag, only possible
if buggy bridge VLAN filtering is buggy, remove WARN_ON_ONCE
while at it. From David Carlier.
15) Use get_unaligned_be32() in nf_conntrack_tcp to access sack
extension, from Rosen Penev.
* tag 'nf-next-26-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
netfilter: nf_conntrack: use get_unaligned_be32() in tcp_sack()
netfilter: flowtable: avoid num_encaps underflow on bridge VLAN untag
netfilter: conntrack: call nf_ct_gre_keymap_destroy() if master helper is pptp
netfilter: conntrack: revert ct extension genid infrastructure
netfilter: nf_conntrack_helper: add refcounting from datapath
netfilter: nf_conntrack_pptp: move GRE specific cleanup to GRE tracker
netfilter: nf_conntrack_helper: dynamically allocate struct nf_conntrack_helper
netfilter: cttimeout: detach dataplane timeout policy and repurpose refcount
netfilter: synproxy: protect nf_ct_seqadj_init() with conntrack lock
netfilter: synproxy: fix unaligned memory access in timestamp adjustment
netfilter: synproxy: adjust duplicate timestamp options
netfilter: synproxy: drop packets if timestamp adjustment fails
netfilter: nfnetlink_cthelper: use {READ,WRITE}_ONCE for accessing helper flags
netfilter: nfnetlink_osf: fix mss parsing on big-endian architectures
ipvs: add conn_max sysctl to limit connections
====================
Link: https://patch.msgid.link/20260607094954.48892-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
EN7581 and AN7583 SoCs support connecting multiple external SerDes to GDM3
or GDM4 ports via a hw arbiter that manages the traffic in a TDM manner.
As a result multiple net_devices can connect to the same GDM{3,4} port
and there is a theoretical "1:n" relation between GDM ports and
net_devices.
Introduce the ethernet node child of a specific GDM port in order to model
a given net_device that is connected via the external arbiter to the
GDM{3,4} port. This new ethernet node is defined by the "airoha,eth-port"
compatible string. Please note GDM1 and GDM2 does not support the
connection with the external arbiter and they are represented by an
ethernet node defined by the "airoha,eth-mac" compatible string.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20260603-airoha-eth-multi-serdes-v9-1-5d476bc2f426@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
NETDEV_CMD_BIND_RX is currently GENL_ADMIN_PERM, which checks
CAP_NET_ADMIN against init userns. With recent container/netkit/ns
support for devmem, other userns/netns use cases come online and require
bind-rx to allow CAP_NET_ADMIN in non-init user ns as well.
Switch the flag to GENL_UNS_ADMIN_PERM to allow bind-rx for
CAP_NET_ADMIN in the netns's owning userns as well.
Signed-off-by: Bobby Eshleman <bobbyeshleman@meta.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20260602-nl-prov-v2-1-ad721142c641@meta.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, we are using atomic_t to track the number of
connections. On 64-bit setups with large memory there is
a risk this counter to overflow. Also, setups with many
containers may need to tune the limit for connections.
Add sysctl control to limit the number of connections to
1,073,741,824 (64-bit) and 16,777,216 (32-bit).
Depending on the admin's privilege, the value is
used to change a soft or hard limit allowing
unprivileged admins to change the soft limit in
range determined by privileged admins.
Link: https://sashiko.dev/#/patchset/20260523172715.94795-1-ja%40ssi.bg
Link: https://sashiko.dev/#/patchset/20260430074420.26697-7-ja%40ssi.bg
Link: https://sashiko.dev/#/patchset/20260522105546.13732-1-ja%40ssi.bg
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
dsa.txt has been a redirect to dsa.yaml since commit bce58590d1
("dt-bindings: net: dsa: Add DSA yaml binding") introduced the .yaml
schema. The .yaml has the same filename in the same directory, making
this redirect unnecessary for discoverability.
Two files still reference dsa.txt, forcing readers through an extra
hop to reach the .yaml. The stub has not been touched since August
2020. Update references in lan9303.txt and
Documentation/networking/dsa/dsa.rst to point directly to dsa.yaml
and remove the stub.
Signed-off-by: Akash Sukhavasi <akash.sukhavasi@gmail.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260603-b4-remove-redirect-stubs-v2-3-c8c19876ab64@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
mdio.txt has been a single-line redirect to mdio.yaml since
commit 62d77ff7ec ("dt-bindings: net: Add a YAML schemas for the
generic MDIO options"), which introduced the .yaml schema and reduced
the .txt to a stub in the same change. The .yaml has the same filename
in the same directory, making this redirect unnecessary for
discoverability.
No files in the tree reference mdio.txt and it has not been touched
since June 2019. Remove the obsolete stub.
Signed-off-by: Akash Sukhavasi <akash.sukhavasi@gmail.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260603-b4-remove-redirect-stubs-v2-1-c8c19876ab64@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - fix to a fix:
- Bluetooth: MGMT: fix backward compatibility with bluetoothd
which adds stray bytes to MGMT_OP_ADD_EXT_ADV_DATA
Previous releases - regressions:
- af_unix: fix inq_len update inaccuracy on partial read
- eth: fec: fix pinctrl default state restore order on resume
- wifi: iwlwifi: mvm: don't support the reset handshake for old firmwares
- wifi: iwlwifi: pcie: simplify the resume flow if fast resume is
not used, work around NIC access failures
Previous releases - always broken:
- Bluetooth: L2CAP: reject BR/EDR signaling packets over MTUsig
- sctp: fix a couple of bugs in COOKIE_ECHO processing
- sched: fix pedit partial COW leading to page cache corruption
- wifi: nl80211: reject oversized EMA RNR lists
- netfilter: conntrack_irc: fix possible out-of-bounds read
- netfilter: bridge: make ebt_snat ARP rewrite writable
- appletalk: zero-initialize aarp_entry to prevent heap info leak
- ipv4: restrict IPOPT_SSRR and IPOPT_LSRR options
- mptcp: fix number of bugs reported by AI scans and discovered during
NVMe over MPTCP testing
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-7.1-rc7' 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.
Current release - fix to a fix:
- Bluetooth: MGMT: fix backward compatibility with bluetoothd
which adds stray bytes to MGMT_OP_ADD_EXT_ADV_DATA
Previous releases - regressions:
- af_unix: fix inq_len update inaccuracy on partial read
- eth: fec: fix pinctrl default state restore order on resume
- wifi: iwlwifi:
- mvm: don't support the reset handshake for old firmwares
- pcie: simplify the resume flow if fast resume is not used,
work around NIC access failures
Previous releases - always broken:
- Bluetooth: L2CAP: reject BR/EDR signaling packets over MTUsig
- sctp: fix a couple of bugs in COOKIE_ECHO processing
- sched: fix pedit partial COW leading to page cache corruption
- wifi: nl80211: reject oversized EMA RNR lists
- netfilter:
- conntrack_irc: fix possible out-of-bounds read
- bridge: make ebt_snat ARP rewrite writable
- appletalk: zero-initialize aarp_entry to prevent heap info leak
- ipv4: restrict IPOPT_SSRR and IPOPT_LSRR options
- mptcp: fix number of bugs reported by AI scans and discovered
during NVMe over MPTCP testing"
* tag 'net-7.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (85 commits)
Reapply "bnxt_en: bring back rtnl_lock() in the bnxt_open() path"
udp: clear skb->dev before running a sockmap verdict
sctp: purge outqueue on stale COOKIE-ECHO handling
bonding: annotate data-races arcound churn variables
net/802/mrp: fix vector attribute parsing in mrp_pdu_parse_vecattr
rtase: Avoid sleeping in get_stats64()
ieee802154: 6lowpan: only accept IPv6 packets in lowpan_xmit()
ipv6: mcast: Fix use-after-free when processing MLD queries
selftests: net: add vxlan vnifilter notification test
vxlan: vnifilter: fix spurious notification on VNI update
vxlan: vnifilter: send notification on VNI add
rtase: Reset TX subqueue when clearing TX ring
octeontx2-af: npc: Fix CPT channel mask in npc_install_flow
dt-bindings: ethernet: eswin: fix hsp-sp-csr backward compatibility
sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing
net/sched: fix pedit partial COW leading to page cache corruption
vsock/vmci: fix sk_ack_backlog leak on failed handshake
net: bonding: fix NULL pointer dereference in bond_do_ioctl()
geneve: fix length used in GRO hint UDP checksum adjustment
net: ethernet: mtk_eth_soc: Fix use-after-free in metadata dst teardown
...
NETDEV_CHANGENAME is only emitted from netif_change_name().
netif_change_name() has two callers both of which hold netdev_lock_ops()
around the call site:
- dev_change_name()
- do_setlink()
Document NETDEV_CHANGENAME as always ops locked.
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20260603012840.2254293-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add documentation for the new XFRM_MSG_MIGRATE_STATE netlink message,
which migrates a single SA identified by SPI and mark without involving
policies.
The document covers the motivation and design differences from the
existing XFRM_MSG_MIGRATE, the SA lookup mechanism, supported attributes
with their omit-to-inherit semantics, and usage examples.
Signed-off-by: Antony Antony <antony.antony@secunet.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
By default, a GENEVE device bind()s its underlying UDP socket(s) to
the IPv4 or IPv6 wildcard address because there is no way to specify
a specific local IP address to bind() to.
This prevents deploying multiple GENEVE devices on a multi-homed host
where each device should be isolated and bound to a different local IP
address on the same UDP port.
Let's introduce new options, IFLA_GENEVE_LOCAL and IFLA_GENEVE_LOCAL6,
to allow specifying a local IPv4/IPv6 address for the backend UDP
socket.
By default, when collect metadata mode (IFLA_GENEVE_COLLECT_METADATA)
is enabled, both IPv4 and IPv6 sockets are created. However, if a
source address is specified via the new attributes, only a single
socket corresponding to that specific address family is created.
Accordingly, geneve_find_sock() and geneve_find_dev() are updated to
take the source address into account, ensuring that multiple devices
and sockets configured with different source addresses can coexist
without conflict.
In addition, the source address is validated in geneve_xmit_skb()
and geneve6_xmit_skb(), so the BPF prog must set it in bpf_tunnel_key.
With this change, multiple GENEVE devices can be successfully created
and bound to their respective local IP addresses:
(*) "local" is the keyword for IFLA_GENEVE_LOCAL / IFLA_GENEVE_LOCAL6
# for i in $(seq 1 2);
do
ip link add geneve4_${i} type geneve local 192.168.0.${i} external
ip addr add 192.168.0.${i}/24 dev geneve4_${i}
ip link set geneve4_${i} up
ip link add geneve6_${i} type geneve local 2001:9292::${i} external
ip addr add 2001:9292::${i}/64 dev geneve6_${i} nodad
ip link set geneve6_${i} up
done
# ip -d l | grep geneve
9: geneve4_1: <BROADCAST,MULTICAST,UP,LOWER_UP> ...
geneve external id 0 local 192.168.0.1 ...
10: geneve6_1: <BROADCAST,MULTICAST,UP,LOWER_UP> ...
geneve external id 0 local 2001:9292::1 ...
11: geneve4_2: <BROADCAST,MULTICAST,UP,LOWER_UP> ...
geneve external id 0 local 192.168.0.2 ...
12: geneve6_2: <BROADCAST,MULTICAST,UP,LOWER_UP> ...
geneve external id 0 local 2001:9292::2 ...
# ss -ua | grep geneve
UNCONN 0 0 192.168.0.2:geneve 0.0.0.0:*
UNCONN 0 0 192.168.0.1:geneve 0.0.0.0:*
UNCONN 0 0 [2001:9292::2]:geneve *:*
UNCONN 0 0 [2001:9292::1]:geneve *:*
Note that even if the local address is explicitly configured with
the wildcard address, kernel does not dump it except for devices with
IFLA_GENEVE_COLLECT_METADATA. This is consistent with the behaviour
of is_tnl_info_zero(), which treats the wildcard remote address as not
configured.
## ynl example.
# ./tools/net/ynl/pyynl/cli.py \
--spec ./Documentation/netlink/specs/rt-link.yaml \
--do newlink --create \
--json '{"ifname": "geneve0",
"linkinfo": {"kind":"geneve",
"data": {"local": "0.0.0.0",
"collect-metadata": true}}}'
# ./tools/net/ynl/pyynl/cli.py \
--spec ./Documentation/netlink/specs/rt-link.yaml \
--do getlink \
--json '{"ifname": "geneve0"}' --output-json | \
jq .linkinfo.data.local
"0.0.0.0"
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260602190436.139591-6-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Pull-request includes many random fixes and new features.
Major changes are listed below:
rtl8xxxu:
* declare supported channel width by firmware report
rtw88:
* validate RX descriptor to avoid malformed data causing warnings
rtw89:
* support USB devices RTL8922AU
* add sysfs entry to show SN and UUID for specific USB devices
* support to switch USB 3.0 mode for higher performance
* add more fields (mainly SIG-A/SIG-B) to radiotap in monitor mode
* offload packed IO to firmware to reduce IO time (for USB devices)
* add debugfs to diagnose BB healthy
* more preparations for RTL8922DE
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Merge tag 'rtw-next-2026-06-03' of https://github.com/pkshih/rtw
Ping-Ke Shih says:
==================
rtw-next patches for -next
Pull-request includes many random fixes and new features.
Major changes are listed below:
rtl8xxxu:
* declare supported channel width by firmware report
rtw88:
* validate RX descriptor to avoid malformed data causing warnings
rtw89:
* support USB devices RTL8922AU
* add sysfs entry to show SN and UUID for specific USB devices
* support to switch USB 3.0 mode for higher performance
* add more fields (mainly SIG-A/SIG-B) to radiotap in monitor mode
* offload packed IO to firmware to reduce IO time (for USB devices)
* add debugfs to diagnose BB healthy
* more preparations for RTL8922DE
==================
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Expose the device's Serial Number (SN) and UUID from EFUSE via two
read-only sysfs attributes, `serial_number` and `uuid`, on the ieee80211
phy device under the `rtw89_usb` attribute group.
This hardware identification information is essential for user-space
applications to uniquely identify, track, and manage specific Wi-Fi
adapters. For example, in automated factory provisioning or device
management systems, user-space tools rely on the EFUSE serial number and
UUID to bind configurations to specific physical adapters. Currently,
standard wireless APIs do not expose this low-level hardware
information, making these sysfs nodes the only viable solution for
user space to extract this data.
The attributes are gated behind a new RTW89_QUIRK_HW_INFO_SYSFS quirk,
enabled only for the VID 0x28de / PID 0x2432 device via the
dev_id_quirks field in rtw89_driver_info.
Example usage from user-space:
$ cat /sys/class/ieee80211/phy0/rtw89_usb/serial_number
3642000123
$ cat /sys/class/ieee80211/phy0/rtw89_usb/uuid
aaec2b7c-0a55-4727-8de0-b30febccbbaa
Cc: Elliot Saba <sabae@valvesoftware.com>
Cc: Charles Lohr <charlesl@valvesoftware.com>
Signed-off-by: Johnson Tsai <wenjie.tsai@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260529075032.16807-3-pkshih@realtek.com
These link-attrs attributes were previously marked as strings:
- wireless - struct iw_event
- protinfo - a nest of ifla6-attrs or linkinfo-brport-attrs
- cost, priority - unused
Signed-off-by: Remy D. Farley <one-d-wide@protonmail.com>
Link: https://patch.msgid.link/20260529121355.1564817-1-one-d-wide@protonmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Following the previous set of fixes, this addresses another significant
number of small issues found in firmware drivers (tee, optee, qcomtee,
qcom ice, exynos acpm) drivers through various tools. This is about
error handling, resource leaks, concurrency and a use-after-free bug.
The fixes for the Qualcomm ICE driver also introduce interface changes
in the UFS and MMC drivers using it.
Outside of firmware drivers, there are a few fixes across the tree:
- Minor driver code mistakes in the Atmel EBI memory controller,
the i.MX soc ID driver and socfpga boot logic
- A defconfig change to avoid a boot time regression on multiple
qualcomm boards
- Device tree fixes for qualcomm, at91 and gemini, addressing
mostly minor configuration mistakes
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Merge tag 'soc-fixes-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"Following the previous set of fixes, this addresses another
significant number of small issues found in firmware drivers (tee,
optee, qcomtee, qcom ice, exynos acpm) drivers through various tools.
This is about error handling, resource leaks, concurrency and a
use-after-free bug.
The fixes for the Qualcomm ICE driver also introduce interface changes
in the UFS and MMC drivers using it.
Outside of firmware drivers, there are a few fixes across the tree:
- Minor driver code mistakes in the Atmel EBI memory controller, the
i.MX soc ID driver and socfpga boot logic
- A defconfig change to avoid a boot time regression on multiple
qualcomm boards
- Device tree fixes for qualcomm, at91 and gemini, addressing mostly
minor configuration mistakes"
* tag 'soc-fixes-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (28 commits)
firmware: samsung: acpm: Fix infinite loop on sequence number exhaustion
firmware: samsung: acpm: Fix missing LKMM barriers in sequence allocator
firmware: samsung: acpm: Fix false timeouts and Use-After-Free in polling
ARM: dts: gemini: Fix partition offsets
ARM: socfpga: Fix OF node refcount leak in SMP setup
soc: qcom: ice: Fix the error code when 'qcom,ice' property is not found
arm64: dts: qcom: eliza: Add power-domain and iface clk for ice node
arm64: dts: qcom: milos: Add power-domain and iface clk for ice node
tee: qcomtee: add missing va_end in early return qcomtee_object_user_init()
tee: fix params_from_user() error path in tee_ioctl_supp_recv
tee: shm: fix shm leak in register_shm_helper()
tee: fix tee_ioctl_object_invoke_arg padding
arm64: defconfig: Enable PCI M.2 power sequencing driver
scsi: ufs: ufs-qcom: Remove NULL check from devm_of_qcom_ice_get()
mmc: sdhci-msm: Remove NULL check from devm_of_qcom_ice_get()
soc: qcom: ice: Return proper error codes from devm_of_qcom_ice_get() instead of NULL
soc: qcom: ice: Return -ENODEV if the ICE platform device is not found
soc: qcom: ice: Fix race between qcom_ice_probe() and of_qcom_ice_get()
ARM: dts: microchip: sam9x7: fix GMAC clock configuration
firmware: samsung: acpm: Fix mailbox channel leak on probe error
...
The jhb100 GMAC still using Synopsys designware GMAC core.
hardware features are similar with jh7100.
Add jhb100 GMAC compatible and reset, interrupts features.
jhb100 dwmac has only one reset signal and one interrupt
line.
jhb100 SGMII interface tx/rx mac clock is split and require to
set clock rate in 10M/100M/1000M speed. So dts need to add a
new rx clock in code, dts and dt binding doc.
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20260527084108.121416-3-minda.chen@starfivetech.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Remove jh8100 dt-bindings because do not support it now.
StarFive have stopped jh8100 developing and will not release
it outside.
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20260527084108.121416-2-minda.chen@starfivetech.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The AX.25 subsystem was removed in commit dd8d4bc28a
("net: remove ax25 and amateur radio (hamradio) subsystem"),
which removed the ax25_ptr field from struct net_device but
left behind the kdoc comment and documentation.
Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patch.msgid.link/20260531134837.4111349-1-costa.shul@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Make the clearcpuid= boot parameter less prominent
and warn about its dangers & caveats (Borislav Petkov)
- Do not access the (new) PLATFORM_ID MSR when running as a guest
(Borislav Petkov)
- x86 ftrace: Relocate %rip-relative percpu refs in dynamic
trampolines, to fix crash when using such trampolines
(Alexis Lothoré)
- Fix x86-64 CFI build error (Peter Zijlstra)
- Revert FPU signal return magic number check optimization, because
it broke CRIU and gVisor in certain FPU configurations
(Andrei Vagin)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2026-05-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
- Make the clearcpuid= boot parameter less prominent
and warn about its dangers & caveats (Borislav Petkov)
- Do not access the (new) PLATFORM_ID MSR when running
as a guest (Borislav Petkov)
- x86 ftrace: Relocate %rip-relative percpu refs in dynamic
trampolines, to fix crash when using such trampolines
(Alexis Lothoré)
- Fix x86-64 CFI build error (Peter Zijlstra)
- Revert FPU signal return magic number check optimization,
because it broke CRIU and gVisor in certain FPU configurations
(Andrei Vagin)
* tag 'x86-urgent-2026-05-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "x86/fpu: Refine and simplify the magic number check during signal return"
x86/kvm/vmx: Fix x86_64 CFI build
x86/ftrace: Relocate %rip-relative percpu refs in dynamic trampolines
x86/microcode: Do not access MSR_IA32_PLATFORM_ID when running as a guest
Documentation/arch/x86: Hide clearcpuid=
Here is a set of USB fixes and new device ids for 7.1-rc6. Nothing
major in here, just lots of tiny fixes for reported issues found by
users and some older patches found by some scanning tools. Included in
here are:
- typec fixes found by fuzzers that have decided to finally look at
that device interaction path (i.e. before a driver is bound to a
device).
- typec fixes for issues found by users
- thunderbolt driver fixes for reported problems
- cdns3 driver fixes
- dwc3 driver fixes
- new device quirks added
- usb serial driver fixes for broken devices
- other small driver fixes
All of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB and Thunderbolt fixes from Greg KH:
"Here is a set of USB fixes and new device ids for 7.1-rc6. Nothing
major in here, just lots of tiny fixes for reported issues found by
users and some older patches found by some scanning tools. Included in
here are:
- typec fixes found by fuzzers that have decided to finally look at
that device interaction path (i.e. before a driver is bound to a
device)
- typec fixes for issues found by users
- thunderbolt driver fixes for reported problems
- cdns3 driver fixes
- dwc3 driver fixes
- new device quirks added
- usb serial driver fixes for broken devices
- other small driver fixes
All of these have been in linux-next for over a week with no reported
issues"
* tag 'usb-7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (54 commits)
USB: serial: cypress_m8: validate interrupt packet headers
USB: serial: safe_serial: fix memory corruption with small endpoint
USB: serial: omninet: fix memory corruption with small endpoint
USB: serial: mxuport: fix memory corruption with small endpoint
USB: serial: cypress_m8: fix memory corruption with small endpoint
USB: cdc-acm: Fix bit overlap and move quirk definitions to header
usb: dwc2: Fix use after free in debug code
usb: chipidea: core: convert ci_role_switch to local variable
usb: gadget: f_fs: serialize DMABUF cancel against request completion
usb: gadget: f_fs: copy only received bytes on short ep0 read
usb: gadget: dummy_hcd: Reject hub port requests for non-existent ports
dt-bindings: usb: Fix EIC7700 USB reset's issue
usbip: vudc: Fix use after free bug in vudc_remove due to race condition
dt-bindings: usb: ti,omap4-musb: Drop duplicate 'usb-phy' property constraints
usb: storage: Add quirks for PNY Elite Portable SSD
USB: quirks: add NO_LPM for Lenovo ThinkPad USB-C Dock Gen2 hub controllers
usb: usbtmc: reject interrupt endpoints with small wMaxPacketSize
usb: usbtmc: check URB actual_length for interrupt-IN notifications
xhci: tegra: Fix ghost USB device on dual-role port unplug
usb: gadget: uvc: hold opts->lock across XU walks in uvc_function_bind
...
One substantive fix here, fixing corruption of the maximum frequency for
spi-mem operations which caused users to remember what should have been
a temporarily modified maximum frequency as the standard going forward,
potentially causing instability when the modification raised rather than
lowered the frequency.
We also have a trivial patch which just documents the correct way to
describe the Qualcomm IPQ5210 SNAND controller in the DT, there are no
code changes.
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Merge tag 'spi-fix-v7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"One substantive fix here, fixing corruption of the maximum frequency
for spi-mem operations which caused users to remember what should have
been a temporarily modified maximum frequency as the standard going
forward, potentially causing instability when the modification raised
rather than lowered the frequency.
We also have a trivial patch which just documents the correct way to
describe the Qualcomm IPQ5210 SNAND controller in the DT, there are no
code changes"
* tag 'spi-fix-v7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-mem: avoid mutating op template in spi_mem_supports_op()
spi: dt-bindings: spi-qpic-snand: Add ipq5210 compatible
The Netlink support for querying page pool stats has been
proven out in production, let's remove the mention of the
helper meant for dumping page pool stats into ethtool -S
from the docs.
Call out in the kdoc that this API is deprecated.
Some drivers may not be able to use the Netlink API
(if page pool is shared across netdevs). So the old API
is not _completely_ dead. But we shouldn't advertise it.
Reviewed-by: Nicolai Buchwitz <nb@tipi-net.de>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260526155722.2790742-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The comment about requirements when to set the NAPI pointer
may not be super clear. Add more words.
Reviewed-by: Nicolai Buchwitz <nb@tipi-net.de>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260526155722.2790742-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The flag was removed in commit 09d96ee567 ("page_pool: remove
PP_FLAG_PAGE_FRAG"), but the documentation still mentions it when
describing fragment usage. Drop the stale reference; the fragment
API does not require any opt-in flag.
Reviewed-by: Nicolai Buchwitz <nb@tipi-net.de>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260526155722.2790742-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The Qualcomm ICE driver suffers from race conditions between probe() and
get() and will in certain cases return the wrong error code, which
results in storage drivers failing to probe. Fix these issues.
Also correct the DeviceTree binding, to ensure that relevant clocks are
described and voted for, to prevent the driver from accessing unclocked
hardware during boot.
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Merge tag 'qcom-drivers-fixes-for-7.1' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm driver fixes for v7.1
The Qualcomm ICE driver suffers from race conditions between probe() and
get() and will in certain cases return the wrong error code, which
results in storage drivers failing to probe. Fix these issues.
Also correct the DeviceTree binding, to ensure that relevant clocks are
described and voted for, to prevent the driver from accessing unclocked
hardware during boot.
* tag 'qcom-drivers-fixes-for-7.1' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: ice: Fix the error code when 'qcom,ice' property is not found
scsi: ufs: ufs-qcom: Remove NULL check from devm_of_qcom_ice_get()
mmc: sdhci-msm: Remove NULL check from devm_of_qcom_ice_get()
soc: qcom: ice: Return proper error codes from devm_of_qcom_ice_get() instead of NULL
soc: qcom: ice: Return -ENODEV if the ICE platform device is not found
soc: qcom: ice: Fix race between qcom_ice_probe() and of_qcom_ice_get()
soc: qcom: ice: Allow explicit votes on 'iface' clock for ICE
dt-bindings: crypto: qcom,ice: Fix missing power-domain and iface clk
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Update the segmentation offload documentation to match current GSO types:
- clarify csum_start for encapsulated TSO
- document TCP AccECN GSO and NETIF_F_GSO_ACCECN
- distinguish legacy UFO from UDP L4 GSO
- add ESP and fraglist GSO entries
Link: https://patch.msgid.link/20260526160151.2793354-11-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
checksum-offloads.rst seems like a better place to render
the checksum comment than skbuff.rst.
Remove the stale references to sections in that comment
(it no longer has A, B, C, D, E sections).
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20260526160151.2793354-10-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The Rx checksum processing gives people pause. The two main questions
in my experience are:
- what to do with bad IPv4 checksum; and
- what to do with packets with bad checksum.
Folks often feel the urge to drop the latter, to "avoid overloading
the host".
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20260526160151.2793354-9-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Update the checksum offload documentation to match current code:
- SCTP CRC32c offload requires NETIF_F_SCTP_CRC, not ordinary IP
checksum offload
- NETIF_F_IP_CSUM and NETIF_F_IPV6_CSUM are restricted legacy
features; new devices should use NETIF_F_HW_CSUM
- GRE LCO is handled by the shared gre_build_header() helper used by
both IPv4 and IPv6 GRE
- VXLAN_F_REMCSUM_TX is a VXLAN configuration flag, not a field of
struct vxlan_rdst
Link: https://patch.msgid.link/20260526160151.2793354-8-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
