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Author SHA1 Message Date
Jakub Kicinski
7f85b11203 Merge tag 'ieee802154-for-net-2024-09-01' of git://git.kernel.org/pub/scm/linux/kernel/git/wpan/wpan
Stefan Schmidt says:

====================
pull-request: ieee802154 for net 2024-09-01

Simon Horman catched two typos in our headers. No functional change.

* tag 'ieee802154-for-net-2024-09-01' of git://git.kernel.org/pub/scm/linux/kernel/git/wpan/wpan:
  ieee802154: Correct spelling in nl802154.h
  mac802154: Correct spelling in mac802154.h
====================

Link: https://patch.msgid.link/20240901184213.2303047-1-stefan@datenfreihafen.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-03 11:59:45 -07:00
Alexander Lobakin
a61fec1c87 netdev_features: remove NETIF_F_ALL_FCOE
NETIF_F_ALL_FCOE is used only in vlan_dev.c, 2 times. Now that it's only
2 bits, open-code it and remove the definition from netdev_features.h.

Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03 11:36:43 +02:00
Alexander Lobakin
782dbbf589 netdev_features: convert NETIF_F_FCOE_MTU to dev->fcoe_mtu
Ability to handle maximum FCoE frames of 2158 bytes can never be changed
and thus more of an attribute, not a toggleable feature.
Move it from netdev_features_t to "cold" priv flags (bitfield bool) and
free yet another feature bit.

Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03 11:36:43 +02:00
Alexander Lobakin
05c1280a2b netdev_features: convert NETIF_F_NETNS_LOCAL to dev->netns_local
"Interface can't change network namespaces" is rather an attribute,
not a feature, and it can't be changed via Ethtool.
Make it a "cold" private flag instead of a netdev_feature and free
one more bit.

Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03 11:36:43 +02:00
Alexander Lobakin
00d066a4d4 netdev_features: convert NETIF_F_LLTX to dev->lltx
NETIF_F_LLTX can't be changed via Ethtool and is not a feature,
rather an attribute, very similar to IFF_NO_QUEUE (and hot).
Free one netdev_features_t bit and make it a "hot" private flag.

Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03 11:36:43 +02:00
Alexander Lobakin
beb5a9bea8 netdevice: convert private flags > BIT(31) to bitfields
Make dev->priv_flags `u32` back and define bits higher than 31 as
bitfield booleans as per Jakub's suggestion. This simplifies code
which accesses these bits with no optimization loss (testb both
before/after), allows to not extend &netdev_priv_flags each time,
but also scales better as bits > 63 in the future would only add
a new u64 to the structure with no complications, comparing to
that extending ::priv_flags would require converting it to a bitmap.
Note that I picked `unsigned long :1` to not lose any potential
optimizations comparing to `bool :1` etc.

Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03 11:36:43 +02:00
Ido Schimmel
b261b2c6c1 xfrm: Unmask upper DSCP bits in xfrm_get_tos()
The function returns a value that is used to initialize 'flowi4_tos'
before being passed to the FIB lookup API in the following call chain:

xfrm_bundle_create()
	tos = xfrm_get_tos(fl, family)
	xfrm_dst_lookup(..., tos, ...)
		__xfrm_dst_lookup(..., tos, ...)
			xfrm4_dst_lookup(..., tos, ...)
				__xfrm4_dst_lookup(..., tos, ...)
					fl4->flowi4_tos = tos
					__ip_route_output_key(net, fl4)

Unmask the upper DSCP bits so that in the future the output route lookup
could be performed according to the full DSCP value.

Remove IPTOS_RT_MASK since it is no longer used.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-08-31 17:44:51 +01:00
Ido Schimmel
356d054a49 ipv4: Unmask upper DSCP bits in get_rttos()
The function is used by a few socket types to retrieve the TOS value
with which to perform the FIB lookup for packets sent through the socket
(flowi4_tos). If a DS field was passed using the IP_TOS control message,
then it is used. Otherwise the one specified via the IP_TOS socket
option.

Unmask the upper DSCP bits so that in the future the lookup could be
performed according to the full DSCP value.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-08-31 17:44:51 +01:00
Ido Schimmel
ff95cb5e52 ipv4: Unmask upper DSCP bits in ip_sock_rt_tos()
The function is used to read the DS field that was stored in IPv4
sockets via the IP_TOS socket option so that it could be used to
initialize the flowi4_tos field before resolving an output route.

Unmask the upper DSCP bits so that in the future the output route lookup
could be performed according to the full DSCP value.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-08-31 17:44:51 +01:00
Simon Horman
3682c302e7 ieee802154: Correct spelling in nl802154.h
Correct spelling in nl802154.h.
As reported by codespell.

Signed-off-by: Simon Horman <horms@kernel.org>
Message-ID: <20240829-wpan-spell-v1-2-799d840e02c4@kernel.org>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
2024-08-30 22:30:55 +02:00
Simon Horman
7eba264a3c mac802154: Correct spelling in mac802154.h
Correct spelling in mac802154.h.
As reported by codespell.

Signed-off-by: Simon Horman <horms@kernel.org>
Message-ID: <20240829-wpan-spell-v1-1-799d840e02c4@kernel.org>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
2024-08-30 22:28:15 +02:00
Eric Dumazet
f17bf505ff icmp: icmp_msgs_per_sec and icmp_msgs_burst sysctls become per netns
Previous patch made ICMP rate limits per netns, it makes sense
to allow each netns to change the associated sysctl.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20240829144641.3880376-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-30 11:14:06 -07:00
Eric Dumazet
b056b4cd91 icmp: move icmp_global.credit and icmp_global.stamp to per netns storage
Host wide ICMP ratelimiter should be per netns, to provide better isolation.

Following patch in this series makes the sysctl per netns.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20240829144641.3880376-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-30 11:14:06 -07:00
Eric Dumazet
8c2bd38b95 icmp: change the order of rate limits
ICMP messages are ratelimited :

After the blamed commits, the two rate limiters are applied in this order:

1) host wide ratelimit (icmp_global_allow())

2) Per destination ratelimit (inetpeer based)

In order to avoid side-channels attacks, we need to apply
the per destination check first.

This patch makes the following change :

1) icmp_global_allow() checks if the host wide limit is reached.
   But credits are not yet consumed. This is deferred to 3)

2) The per destination limit is checked/updated.
   This might add a new node in inetpeer tree.

3) icmp_global_consume() consumes tokens if prior operations succeeded.

This means that host wide ratelimit is still effective
in keeping inetpeer tree small even under DDOS.

As a bonus, I removed icmp_global.lock as the fast path
can use a lock-free operation.

Fixes: c0303efeab ("net: reduce cycles spend on ICMP replies that gets rate limited")
Fixes: 4cdf507d54 ("icmp: add a global rate limitation")
Reported-by: Keyu Man <keyu.man@email.ucr.edu>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Cc: Jesper Dangaard Brouer <hawk@kernel.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20240829144641.3880376-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-30 11:14:06 -07:00
Jakub Kicinski
3cbd2090d3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.

Conflicts:

drivers/net/ethernet/faraday/ftgmac100.c
  4186c8d9e6 ("net: ftgmac100: Ensure tx descriptor updates are visible")
  e24a6c8746 ("net: ftgmac100: Get link speed and duplex for NC-SI")
https://lore.kernel.org/0b851ec5-f91d-4dd3-99da-e81b98c9ed28@kernel.org

net/ipv4/tcp.c
  bac76cf898 ("tcp: fix forever orphan socket caused by tcp_abort")
  edefba66d9 ("tcp: rstreason: introduce SK_RST_REASON_TCP_STATE for active reset")
https://lore.kernel.org/20240828112207.5c199d41@canb.auug.org.au

No adjacent changes.

Link: https://patch.msgid.link/20240829130829.39148-1-pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-29 11:49:10 -07:00
Linus Torvalds
0dd5dd63ba Including fixes from bluetooth, wireless and netfilter.
No known outstanding regressions.
 
 Current release - regressions:
 
   - wifi: iwlwifi: fix hibernation
 
   - eth: ionic: prevent tx_timeout due to frequent doorbell ringing
 
 Previous releases - regressions:
 
   - sched: fix sch_fq incorrect behavior for small weights
 
   - wifi:
     - iwlwifi: take the mutex before running link selection
     - wfx: repair open network AP mode
 
   - netfilter: restore IP sanity checks for netdev/egress
 
   - tcp: fix forever orphan socket caused by tcp_abort
 
   - mptcp: close subflow when receiving TCP+FIN
 
   - bluetooth: fix random crash seen while removing btnxpuart driver
 
 Previous releases - always broken:
 
   - mptcp: more fixes for the in-kernel PM
 
   - eth: bonding: change ipsec_lock from spin lock to mutex
 
   - eth: mana: fix race of mana_hwc_post_rx_wqe and new hwc response
 
 Misc:
 
   - documentation: drop special comment style for net code
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from bluetooth, wireless and netfilter.

  No known outstanding regressions.

  Current release - regressions:

   - wifi: iwlwifi: fix hibernation

   - eth: ionic: prevent tx_timeout due to frequent doorbell ringing

  Previous releases - regressions:

   - sched: fix sch_fq incorrect behavior for small weights

   - wifi:
      - iwlwifi: take the mutex before running link selection
      - wfx: repair open network AP mode

   - netfilter: restore IP sanity checks for netdev/egress

   - tcp: fix forever orphan socket caused by tcp_abort

   - mptcp: close subflow when receiving TCP+FIN

   - bluetooth: fix random crash seen while removing btnxpuart driver

  Previous releases - always broken:

   - mptcp: more fixes for the in-kernel PM

   - eth: bonding: change ipsec_lock from spin lock to mutex

   - eth: mana: fix race of mana_hwc_post_rx_wqe and new hwc response

  Misc:

   - documentation: drop special comment style for net code"

* tag 'net-6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (57 commits)
  nfc: pn533: Add poll mod list filling check
  mailmap: update entry for Sriram Yagnaraman
  selftests: mptcp: join: check re-re-adding ID 0 signal
  mptcp: pm: ADD_ADDR 0 is not a new address
  selftests: mptcp: join: validate event numbers
  mptcp: avoid duplicated SUB_CLOSED events
  selftests: mptcp: join: check re-re-adding ID 0 endp
  mptcp: pm: fix ID 0 endp usage after multiple re-creations
  mptcp: pm: do not remove already closed subflows
  selftests: mptcp: join: no extra msg if no counter
  selftests: mptcp: join: check re-adding init endp with != id
  mptcp: pm: reset MPC endp ID when re-added
  mptcp: pm: skip connecting to already established sf
  mptcp: pm: send ACK on an active subflow
  selftests: mptcp: join: check removing ID 0 endpoint
  mptcp: pm: fix RM_ADDR ID for the initial subflow
  mptcp: pm: reuse ID 0 after delete and re-add
  net: busy-poll: use ktime_get_ns() instead of local_clock()
  sctp: fix association labeling in the duplicate COOKIE-ECHO case
  mptcp: pr_debug: add missing \n at the end
  ...
2024-08-30 06:14:39 +12:00
Paolo Abeni
0240bceb0d netfilter pull request 24-08-28
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Merge tag 'nf-24-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf

Pablo Neira Ayuso says:

====================
Netfilter fixes for net

The following patchset contains Netfilter fixes for net:

Patch #1 sets on NFT_PKTINFO_L4PROTO for UDP packets less than 4 bytes
payload from netdev/egress by subtracting skb_network_offset() when
validating IPv4 packet length, otherwise 'meta l4proto udp' never
matches.

Patch #2 subtracts skb_network_offset() when validating IPv6 packet
length for netdev/egress.

netfilter pull request 24-08-28

* tag 'nf-24-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
  netfilter: nf_tables_ipv6: consider network offset in netdev/egress validation
  netfilter: nf_tables: restore IP sanity checks for netdev/egress
====================

Link: https://patch.msgid.link/20240828214708.619261-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-08-29 11:35:54 +02:00
Eric Dumazet
0870b0d8b3 net: busy-poll: use ktime_get_ns() instead of local_clock()
Typically, busy-polling durations are below 100 usec.

When/if the busy-poller thread migrates to another cpu,
local_clock() can be off by +/-2msec or more for small
values of HZ, depending on the platform.

Use ktimer_get_ns() to ensure deterministic behavior,
which is the whole point of busy-polling.

Fixes: 0602129286 ("net: add low latency socket poll")
Fixes: 9a3c71aa80 ("net: convert low latency sockets to sched_clock()")
Fixes: 3708983452 ("sched, net: Fixup busy_loop_us_clock()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Mina Almasry <almasrymina@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20240827114916.223377-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-28 17:53:13 -07:00
Eric Dumazet
3e5cbbb1fb tcp: remove volatile qualifier on tw_substate
Using a volatile qualifier for a specific struct field is unusual.

Use instead READ_ONCE()/WRITE_ONCE() where necessary.

tcp_timewait_state_process() can change tw_substate while other
threads are reading this field.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Link: https://patch.msgid.link/20240827015250.3509197-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-28 17:08:16 -07:00
Linus Torvalds
a18093afa3 nfsd-6.11 fixes:
- Fix a number of crashers
 - Update email address for an NFSD reviewer
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Merge tag 'nfsd-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd fixes from Chuck Lever:

 - Fix a number of crashers

 - Update email address for an NFSD reviewer

* tag 'nfsd-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  fs/nfsd: fix update of inode attrs in CB_GETATTR
  nfsd: fix potential UAF in nfsd4_cb_getattr_release
  nfsd: hold reference to delegation when updating it for cb_getattr
  MAINTAINERS: Update Olga Kornievskaia's email address
  nfsd: prevent panic for nfsv4.0 closed files in nfs4_show_open
  nfsd: ensure that nfsd4_fattr_args.context is zeroed out
2024-08-29 06:20:44 +12:00
Tristram Ha
a96c5515d0 net: dsa: microchip: Add KSZ8895/KSZ8864 switch support
KSZ8895/KSZ8864 is a switch family between KSZ8863/73 and KSZ8795, so it
shares some registers and functions in those switches already
implemented in the KSZ DSA driver.

Signed-off-by: Tristram Ha <tristram.ha@microchip.com>
Tested-by: Pieter Van Trappen <pieter.van.trappen@cern.ch>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-27 16:14:18 -07:00
Shradha Gupta
3410d0e14f net: mana: Implement get_ringparam/set_ringparam for mana
Currently the values of WQs for RX and TX queues for MANA devices
are hardcoded to default sizes.
Allow configuring these values for MANA devices as ringparam
configuration(get/set) through ethtool_ops.
Pre-allocate buffers at the beginning of this operation, to
prevent complete network loss in low-memory conditions.

Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Link: https://patch.msgid.link/1724688461-12203-1-git-send-email-shradhagupta@linux.microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-27 16:08:44 -07:00
Jianbo Liu
2aeeef906d bonding: change ipsec_lock from spin lock to mutex
In the cited commit, bond->ipsec_lock is added to protect ipsec_list,
hence xdo_dev_state_add and xdo_dev_state_delete are called inside
this lock. As ipsec_lock is a spin lock and such xfrmdev ops may sleep,
"scheduling while atomic" will be triggered when changing bond's
active slave.

[  101.055189] BUG: scheduling while atomic: bash/902/0x00000200
[  101.055726] Modules linked in:
[  101.058211] CPU: 3 PID: 902 Comm: bash Not tainted 6.9.0-rc4+ #1
[  101.058760] Hardware name:
[  101.059434] Call Trace:
[  101.059436]  <TASK>
[  101.060873]  dump_stack_lvl+0x51/0x60
[  101.061275]  __schedule_bug+0x4e/0x60
[  101.061682]  __schedule+0x612/0x7c0
[  101.062078]  ? __mod_timer+0x25c/0x370
[  101.062486]  schedule+0x25/0xd0
[  101.062845]  schedule_timeout+0x77/0xf0
[  101.063265]  ? asm_common_interrupt+0x22/0x40
[  101.063724]  ? __bpf_trace_itimer_state+0x10/0x10
[  101.064215]  __wait_for_common+0x87/0x190
[  101.064648]  ? usleep_range_state+0x90/0x90
[  101.065091]  cmd_exec+0x437/0xb20 [mlx5_core]
[  101.065569]  mlx5_cmd_do+0x1e/0x40 [mlx5_core]
[  101.066051]  mlx5_cmd_exec+0x18/0x30 [mlx5_core]
[  101.066552]  mlx5_crypto_create_dek_key+0xea/0x120 [mlx5_core]
[  101.067163]  ? bonding_sysfs_store_option+0x4d/0x80 [bonding]
[  101.067738]  ? kmalloc_trace+0x4d/0x350
[  101.068156]  mlx5_ipsec_create_sa_ctx+0x33/0x100 [mlx5_core]
[  101.068747]  mlx5e_xfrm_add_state+0x47b/0xaa0 [mlx5_core]
[  101.069312]  bond_change_active_slave+0x392/0x900 [bonding]
[  101.069868]  bond_option_active_slave_set+0x1c2/0x240 [bonding]
[  101.070454]  __bond_opt_set+0xa6/0x430 [bonding]
[  101.070935]  __bond_opt_set_notify+0x2f/0x90 [bonding]
[  101.071453]  bond_opt_tryset_rtnl+0x72/0xb0 [bonding]
[  101.071965]  bonding_sysfs_store_option+0x4d/0x80 [bonding]
[  101.072567]  kernfs_fop_write_iter+0x10c/0x1a0
[  101.073033]  vfs_write+0x2d8/0x400
[  101.073416]  ? alloc_fd+0x48/0x180
[  101.073798]  ksys_write+0x5f/0xe0
[  101.074175]  do_syscall_64+0x52/0x110
[  101.074576]  entry_SYSCALL_64_after_hwframe+0x4b/0x53

As bond_ipsec_add_sa_all and bond_ipsec_del_sa_all are only called
from bond_change_active_slave, which requires holding the RTNL lock.
And bond_ipsec_add_sa and bond_ipsec_del_sa are xfrm state
xdo_dev_state_add and xdo_dev_state_delete APIs, which are in user
context. So ipsec_lock doesn't have to be spin lock, change it to
mutex, and thus the above issue can be resolved.

Fixes: 9a5605505d ("bonding: Add struct bond_ipesc to manage SA")
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Jay Vosburgh <jv@jvosburgh.net>
Link: https://patch.msgid.link/20240823031056.110999-4-jianbol@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-27 13:11:37 -07:00
Pablo Neira Ayuso
70c261d500 netfilter: nf_tables_ipv6: consider network offset in netdev/egress validation
From netdev/egress, skb->len can include the ethernet header, therefore,
subtract network offset from skb->len when validating IPv6 packet length.

Fixes: 42df6e1d22 ("netfilter: Introduce egress hook")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2024-08-27 18:11:56 +02:00
Arkadiusz Kubalewski
cda1fba15c dpll: add Embedded SYNC feature for a pin
Implement and document new pin attributes for providing Embedded SYNC
capabilities to the DPLL subsystem users through a netlink pin-get
do/dump messages. Allow the user to set Embedded SYNC frequency with
pin-set do netlink message.

Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://patch.msgid.link/20240822222513.255179-2-arkadiusz.kubalewski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 19:21:14 -07:00
Jeff Layton
7e8ae8486e fs/nfsd: fix update of inode attrs in CB_GETATTR
Currently, we copy the mtime and ctime to the in-core inode and then
mark the inode dirty. This is fine for certain types of filesystems, but
not all. Some require a real setattr to properly change these values
(e.g. ceph or reexported NFS).

Fix this code to call notify_change() instead, which is the proper way
to effect a setattr. There is one problem though:

In this case, the client is holding a write delegation and has sent us
attributes to update our cache. We don't want to break the delegation
for this since that would defeat the purpose. Add a new ATTR_DELEG flag
that makes notify_change bypass the try_break_deleg call.

Fixes: c5967721e1 ("NFSD: handle GETATTR conflict with write delegation")
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2024-08-26 19:04:00 -04:00
Simon Horman
70d0bb45fa net: Correct spelling in headers
Correct spelling in Networking headers.
As reported by codespell.

Signed-off-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240822-net-spell-v1-12-3a98971ce2d2@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:37:23 -07:00
Simon Horman
01d86846a5 x25: Correct spelling in x25.h
Correct spelling in x25.h
As reported by codespell.

Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: Martin Schiller <ms@dev.tdt.de>
Link: https://patch.msgid.link/20240822-net-spell-v1-11-3a98971ce2d2@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:37:23 -07:00
Simon Horman
7f47fcea8c sctp: Correct spelling in headers
Correct spelling in sctp.h and structs.h.
As reported by codespell.

Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Simon Horman <horms@kernel.org>
Acked-by: Xin Long <lucien.xin@gmail.com>
Link: https://patch.msgid.link/20240822-net-spell-v1-10-3a98971ce2d2@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:37:23 -07:00
Simon Horman
a7a45f02a0 net: sched: Correct spelling in headers
Correct spelling in pkt_cls.h and red.h.
As reported by codespell.

Cc: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240822-net-spell-v1-9-3a98971ce2d2@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:37:23 -07:00
Simon Horman
10d0749a38 NFC: Correct spelling in headers
Correct spelling in NFC headers.
As reported by codespell.

Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240822-net-spell-v1-8-3a98971ce2d2@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:37:23 -07:00
Simon Horman
6899c2549c netlabel: Correct spelling in netlabel.h
Correct spelling in netlabel.h.
As reported by codespell.

Cc: Paul Moore <paul@paul-moore.com>
Signed-off-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240822-net-spell-v1-7-3a98971ce2d2@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:37:22 -07:00
Simon Horman
19f1f11c9a net: qualcomm: rmnet: Correct spelling in if_rmnet.h
Correct spelling in if_rmnet.h
As reported by codespell.

Cc: Sean Tranchetti <quic_stranche@quicinc.com>
Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: Subash Abhinov Kasiviswanathan <quic_subashab@quicinc.com>
Link: https://patch.msgid.link/20240822-net-spell-v1-6-3a98971ce2d2@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:37:22 -07:00
Simon Horman
e8ac2dba93 bonding: Correct spelling in headers
Correct spelling in bond_3ad.h and bond_alb.h.
As reported by codespell.

Cc: Jay Vosburgh <jv@jvosburgh.net>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240822-net-spell-v1-5-3a98971ce2d2@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:37:22 -07:00
Simon Horman
507285b7f9 ipv6: Correct spelling in ipv6.h
Correct spelling in ip_tunnels.h
As reported by codespell.

Cc: David Ahern <dsahern@kernel.org>
Signed-off-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240822-net-spell-v1-4-3a98971ce2d2@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:37:22 -07:00
Simon Horman
d0193b167f ip_tunnel: Correct spelling in ip_tunnels.h
Correct spelling in ip_tunnels.h
As reported by codespell.

Cc: David Ahern <dsahern@kernel.org>
Signed-off-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240822-net-spell-v1-3-3a98971ce2d2@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:37:22 -07:00
Simon Horman
c349446032 s390/iucv: Correct spelling in iucv.h
Correct spelling in iucv.h
As reported by codespell.

Cc: Alexandra Winter <wintera@linux.ibm.com>
Cc: Thorsten Winkler <twinkler@linux.ibm.com>
Signed-off-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240822-net-spell-v1-2-3a98971ce2d2@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:37:22 -07:00
Simon Horman
d24dac8eb8 packet: Correct spelling in if_packet.h
Correct spelling in if_packet.h
As reported by codespell.

Signed-off-by: Simon Horman <horms@kernel.org>
Acked-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240822-net-spell-v1-1-3a98971ce2d2@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:37:22 -07:00
Oleksij Rempel
4715d87e11 ethtool: Add support for specifying information source in cable test results
Enhance the ethtool cable test interface by introducing the ability to
specify the source of the diagnostic information for cable test results.
This is particularly useful for PHYs that offer multiple diagnostic
methods, such as Time Domain Reflectometry (TDR) and Active Link Cable
Diagnostic (ALCD).

Key changes:
- Added `ethnl_cable_test_result_with_src` and
  `ethnl_cable_test_fault_length_with_src` functions to allow specifying
  the information source when reporting cable test results.
- Updated existing `ethnl_cable_test_result` and
  `ethnl_cable_test_fault_length` functions to use TDR as the default
  source, ensuring backward compatibility.
- Modified the UAPI to support these new attributes, enabling drivers to
  provide more detailed diagnostic information.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240822120703.1393130-3-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:33:58 -07:00
Oleksij Rempel
abcd3026dd ethtool: Extend cable testing interface with result source information
Extend the ethtool netlink cable testing interface by adding support for
specifying the source of cable testing results. This allows users to
differentiate between results obtained through different diagnostic
methods.

For example, some TI 10BaseT1L PHYs provide two variants of cable
diagnostics: Time Domain Reflectometry (TDR) and Active Link Cable
Diagnostic (ALCD). By introducing `ETHTOOL_A_CABLE_RESULT_SRC` and
`ETHTOOL_A_CABLE_FAULT_LENGTH_SRC` attributes, this update enables
drivers to indicate whether the result was derived from TDR or ALCD,
improving the clarity and utility of diagnostic information.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240822120703.1393130-2-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 09:33:58 -07:00
Jakub Kicinski
e540e3bcf2 bpf-next-for-netdev
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Daniel Borkmann says:

====================
pull-request: bpf-next 2024-08-23

We've added 10 non-merge commits during the last 15 day(s) which contain
a total of 10 files changed, 222 insertions(+), 190 deletions(-).

The main changes are:

1) Add TCP_BPF_SOCK_OPS_CB_FLAGS to bpf_*sockopt() to address the case
   when long-lived sockets miss a chance to set additional callbacks
   if a sockops program was not attached early in their lifetime,
   from Alan Maguire.

2) Add a batch of BPF selftest improvements which fix a few bugs and add
   missing features to improve the test coverage of sockmap/sockhash,
   from Michal Luczaj.

3) Fix a false-positive Smatch-reported off-by-one in tcp_validate_cookie()
   which is part of the test_tcp_custom_syncookie BPF selftest,
   from Kuniyuki Iwashima.

4) Fix the flow_dissector BPF selftest which had a bug in IP header's
   tot_len calculation doing subtraction after htons() instead of inside
   htons(), from Asbjørn Sloth Tønnesen.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next:
  selftest: bpf: Remove mssind boundary check in test_tcp_custom_syncookie.c.
  selftests/bpf: Introduce __attribute__((cleanup)) in create_pair()
  selftests/bpf: Exercise SOCK_STREAM unix_inet_redir_to_connected()
  selftests/bpf: Honour the sotype of af_unix redir tests
  selftests/bpf: Simplify inet_socketpair() and vsock_socketpair_connectible()
  selftests/bpf: Socket pair creation, cleanups
  selftests/bpf: Support more socket types in create_pair()
  selftests/bpf: Avoid subtraction after htons() in ipip tests
  selftests/bpf: add sockopt tests for TCP_BPF_SOCK_OPS_CB_FLAGS
  bpf/bpf_get,set_sockopt: add option to set TCP-BPF sock ops flags
====================

Link: https://patch.msgid.link/20240823134959.1091-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 08:50:29 -07:00
Jakub Kicinski
b2ede25b7e netfilter pull request 24-08-23
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Merge tag 'nf-next-24-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next

Pablo Neira Ayuso says:

====================
Netfilter updates for net-next

The following batch contains Netfilter updates for net-next:

Patch #1 fix checksum calculation in nfnetlink_queue with SCTP,
	 segment GSO packet since skb_zerocopy() does not support
	 GSO_BY_FRAGS, from Antonio Ojea.

Patch #2 extend nfnetlink_queue coverage to handle SCTP packets,
	 from Antonio Ojea.

Patch #3 uses consume_skb() instead of kfree_skb() in nfnetlink,
         from Donald Hunter.

Patch #4 adds a dedicate commit list for sets to speed up
	 intra-transaction lookups, from Florian Westphal.

Patch #5 skips removal of element from abort path for the pipapo
         backend, ditching the shadow copy of this datastructure
	 is sufficient.

Patch #6 moves nf_ct_netns_get() out of nf_conncount_init() to
	 let users of conncoiunt decide when to enable conntrack,
	 this is needed by openvswitch, from Xin Long.

Patch #7 pass context to all nft_parse_register_load() in
	 preparation for the next patch.

Patches #8 and #9 reject loads from uninitialized registers from
	 control plane to remove register initialization from
	 datapath. From Florian Westphal.

* tag 'nf-next-24-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
  netfilter: nf_tables: don't initialize registers in nft_do_chain()
  netfilter: nf_tables: allow loads only when register is initialized
  netfilter: nf_tables: pass context structure to nft_parse_register_load
  netfilter: move nf_ct_netns_get out of nf_conncount_init
  netfilter: nf_tables: do not remove elements if set backend implements .abort
  netfilter: nf_tables: store new sets in dedicated list
  netfilter: nfnetlink: convert kfree_skb to consume_skb
  selftests: netfilter: nft_queue.sh: sctp coverage
  netfilter: nfnetlink_queue: unbreak SCTP traffic
====================

Link: https://patch.msgid.link/20240822221939.157858-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26 08:42:55 -07:00
Pablo Neira Ayuso
5fd0628918 netfilter: nf_tables: restore IP sanity checks for netdev/egress
Subtract network offset to skb->len before performing IPv4 header sanity
checks, then adjust transport offset from offset from mac header.

Jorge Ortiz says:

When small UDP packets (< 4 bytes payload) are sent from eth0,
`meta l4proto udp` condition is not met because `NFT_PKTINFO_L4PROTO` is
not set. This happens because there is a comparison that checks if the
transport header offset exceeds the total length.  This comparison does
not take into account the fact that the skb network offset might be
non-zero in egress mode (e.g., 14 bytes for Ethernet header).

Fixes: 0ae8e4cca7 ("netfilter: nf_tables: set transport offset from mac header for netdev/egress")
Reported-by: Jorge Ortiz <jorge.ortiz.escribano@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2024-08-26 13:05:28 +02:00
Linus Torvalds
891e811ad6 SCSI fixes on 20240824
The important core fix is another tweak to our discard discovery
 issues.  The off by 512 in logical block count seems bad, but in fact
 the inline was only ever used in debug prints, which is why no-one
 noticed.
 
 Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "The important core fix is another tweak to our discard discovery
  issues. The off by 512 in logical block count seems bad, but in fact
  the inline was only ever used in debug prints, which is why no-one
  noticed"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: sd: Do not attempt to configure discard unless LBPME is set
  scsi: MAINTAINERS: Add header files to SCSI SUBSYSTEM
  scsi: ufs: qcom: Add UFSHCD_QUIRK_BROKEN_LSDBS_CAP for SM8550 SoC
  scsi: ufs: core: Add a quirk for handling broken LSDBS field in controller capabilities register
  scsi: core: Fix the return value of scsi_logical_block_count()
  scsi: MAINTAINERS: Update HiSilicon SAS controller driver maintainer
2024-08-25 12:00:16 +12:00
Mina Almasry
7d3aed652d net: refactor ->ndo_bpf calls into dev_xdp_propagate
When net devices propagate xdp configurations to slave devices,
we will need to perform a memory provider check to ensure we're
not binding xdp to a device using unreadable netmem.

Currently the ->ndo_bpf calls in a few places. Adding checks to all
these places would not be ideal.

Refactor all the ->ndo_bpf calls into one place where we can add this
check in the future.

Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Mina Almasry <almasrymina@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-08-24 15:27:22 +01:00
Linus Torvalds
60f0560f53 NFS Client Bugfixes for Linux 6.11-rc
Bugfixes:
 * Fix rpcrdma refcounting in xa_alloc
 * Fix rpcrdma usage of XA_FLAGS_ALLOC
 * Fix requesting FATTR4_WORD2_OPEN_ARGUMENTS
 * Fix attribute bitmap decoder to handle a 3rd word
 * Add reschedule points when returning delegations to avoid soft lockups
 * Fix clearing layout segments in layoutreturn
 * Avoid unnecessary rescanning of the per-server delegation list
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Merge tag 'nfs-for-6.11-2' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client fixes from Anna Schumaker:

 - Fix rpcrdma refcounting in xa_alloc

 - Fix rpcrdma usage of XA_FLAGS_ALLOC

 - Fix requesting FATTR4_WORD2_OPEN_ARGUMENTS

 - Fix attribute bitmap decoder to handle a 3rd word

 - Add reschedule points when returning delegations to avoid soft lockups

 - Fix clearing layout segments in layoutreturn

 - Avoid unnecessary rescanning of the per-server delegation list

* tag 'nfs-for-6.11-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
  NFS: Avoid unnecessary rescanning of the per-server delegation list
  NFSv4: Fix clearing of layout segments in layoutreturn
  NFSv4: Add missing rescheduling points in nfs_client_return_marked_delegations
  nfs: fix bitmap decoder to handle a 3rd word
  nfs: fix the fetch of FATTR4_OPEN_ARGUMENTS
  rpcrdma: Trace connection registration and unregistration
  rpcrdma: Use XA_FLAGS_ALLOC instead of XA_FLAGS_ALLOC1
  rpcrdma: Device kref is over-incremented on error from xa_alloc
2024-08-24 09:03:25 +08:00
Linus Torvalds
79a899e3d6 drm fixes for 6.11-rc5
msm:
 - virtual plane fixes
 -    drop yuv on hw where not supported
 -    csc vs yuv format fix
 -    rotation fix
 - fix fb cleanup on close
 - reset phy before link training
 - fix visual corruption at 4K
 - fix NULL ptr crash on hotplug
 - simplify debug macros
 - sc7180 fix
 - adreno firmware name error path fix
 
 amdgpu:
 - GFX10 firmware loading fix
 - SDMA 5.2 fix
 - Debugfs parameter validation fix
 - eGPU hotplug fix
 
 i915:
 - fix HDCP timeouts
 
 nouveau:
 - fix SG_DEBUG crash
 
 xe:
 - Fix OA format masks which were breaking build with gcc-5
 - Fix opregion leak (Lucas)
 - Fix OA sysfs entry (Ashutosh)
 - Fix VM dma-resv lock (Brost)
 - Fix tile fini sequence (Brost)
 - Prevent UAF around preempt fence (Auld)
 - Fix DGFX display suspend/resume (Maarten)
 - Many Xe/Xe2 critical workarounds (Auld, Ngai-Mint, Bommu, Tejas, Daniele)
 - Fix devm/drmm issues (Daniele)
 - Fix missing workqueue destroy in xe_gt_pagefault (Stuart)
 - Drop HW fence pointer to HW fence ctx (Brost)
 - Free job before xe_exec_queue_put (Brost)
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Merge tag 'drm-fixes-2024-08-24' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "Weekly fixes. xe and msm are the major groups, with
  amdgpu/i915/nouveau having smaller bits. xe has a bunch of hw
  workaround fixes that were found to be missing, so that is why there
  are a bunch of scattered fixes, and one larger one. But overall size
  doesn't look too out of the ordinary.

  msm:
   - virtual plane fixes:
      - drop yuv on hw where not supported
      - csc vs yuv format fix
      - rotation fix
   - fix fb cleanup on close
   - reset phy before link training
   - fix visual corruption at 4K
   - fix NULL ptr crash on hotplug
   - simplify debug macros
   - sc7180 fix
   - adreno firmware name error path fix

  amdgpu:
   - GFX10 firmware loading fix
   - SDMA 5.2 fix
   - Debugfs parameter validation fix
   - eGPU hotplug fix

  i915:
   - fix HDCP timeouts

  nouveau:
   - fix SG_DEBUG crash

  xe:
   - Fix OA format masks which were breaking build with gcc-5
   - Fix opregion leak (Lucas)
   - Fix OA sysfs entry (Ashutosh)
   - Fix VM dma-resv lock (Brost)
   - Fix tile fini sequence (Brost)
   - Prevent UAF around preempt fence (Auld)
   - Fix DGFX display suspend/resume (Maarten)
   - Many Xe/Xe2 critical workarounds (Auld, Ngai-Mint, Bommu, Tejas, Daniele)
   - Fix devm/drmm issues (Daniele)
   - Fix missing workqueue destroy in xe_gt_pagefault (Stuart)
   - Drop HW fence pointer to HW fence ctx (Brost)
   - Free job before xe_exec_queue_put (Brost)"

* tag 'drm-fixes-2024-08-24' of https://gitlab.freedesktop.org/drm/kernel: (35 commits)
  drm/xe: Free job before xe_exec_queue_put
  drm/xe: Drop HW fence pointer to HW fence ctx
  drm/xe: Fix missing workqueue destroy in xe_gt_pagefault
  drm/amdgpu: fix eGPU hotplug regression
  drm/amdgpu: Validate TA binary size
  drm/amdgpu/sdma5.2: limit wptr workaround to sdma 5.2.1
  drm/amdgpu: fixing rlc firmware loading failure issue
  drm/xe/uc: Use devm to register cleanup that includes exec_queues
  drm/xe: use devm instead of drmm for managed bo
  drm/xe/xe2hpg: Add Wa_14021821874
  drm/xe: fix WA 14018094691
  drm/xe/xe2: Add Wa_15015404425
  drm/xe/xe2: Make subsequent L2 flush sequential
  drm/xe/xe2lpg: Extend workaround 14021402888
  drm/xe/xe2lpm: Extend Wa_16021639441
  drm/xe/bmg: implement Wa_16023588340
  drm/xe/oa/uapi: Make bit masks unsigned
  drm/xe/display: Make display suspend/resume work on discrete
  drm/xe: prevent UAF around preempt fence
  drm/xe: Fix tile fini sequence
  ...
2024-08-24 08:10:17 +08:00
Linus Torvalds
d5afaf917e block-6.11-20240823
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Merge tag 'block-6.11-20240823' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:

 - NVMe pull request via Keith
     - Remove unused struct field (Nilay)
     - Fix fabrics keep-alive teardown order (Ming)

 - Write zeroes fixes (John)

* tag 'block-6.11-20240823' of git://git.kernel.dk/linux:
  nvme: Remove unused field
  nvme: move stopping keep-alive into nvme_uninit_ctrl()
  block: Drop NULL check in bdev_write_zeroes_sectors()
  block: Read max write zeroes once for __blkdev_issue_write_zeroes()
2024-08-24 07:49:14 +08:00
Linus Torvalds
b09f6ca99c ACPI fix for 6.11-rc5
Fix backlight control on a Dell All In One system where a backlight
 controller board is attached to a UART port and the dell-uart-backlight
 driver binds to it, but the backlight is actually controlled by other
 means (Hans de Goede).
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Merge tag 'acpi-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fix from Rafael Wysocki:
 "Fix backlight control on a Dell All In One system where a backlight
  controller board is attached to a UART port and the dell-uart
  backlight driver binds to it, but the backlight is actually controlled
  by other means (Hans de Goede)"

* tag 'acpi-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: video: Add backlight=native quirk for Dell OptiPlex 7760 AIO
  platform/x86: dell-uart-backlight: Use acpi_video_get_backlight_type()
  ACPI: video: Add Dell UART backlight controller detection
2024-08-24 07:39:35 +08:00
Maxime Chevallier
17194be4c8 net: ethtool: Introduce a command to list PHYs on an interface
As we have the ability to track the PHYs connected to a net_device
through the link_topology, we can expose this list to userspace. This
allows userspace to use these identifiers for phy-specific commands and
take the decision of which PHY to target by knowing the link topology.

Add PHY_GET and PHY_DUMP, which can be a filtered DUMP operation to list
devices on only one interface.

Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Tested-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-08-23 13:04:34 +01:00