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The statistics of the ring are all unsigned int type, so the statistics
will overflow quickly under heavy traffic. In addition, the statistics
of struct net_device_stats are obtained from struct enetc_ring_stats,
but the statistics of net_device_stats are unsigned long type. So it is
better to keep the statistics types consistent in these two structures.
Considering these two factors, and the fact that both LS1028A and i.MX95
are arm64 architecture, the statistics of enetc_ring_stats are changed
to unsigned long type. Note that unsigned int and unsigned long are the
same thing on some systems, and on such systems there is no overflow
advantage of one over the other.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250627021108.3359642-2-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In the current implementation, IP coalescing is always enabled and
cannot be disabled.
As setting maximum frames to 0 or 1, or setting delay to zero implies
immediate delivery of single packets/IRQs, disable coalescing in
hardware in these cases.
This also guarantees that coalescing is never enabled with ICFT or ICTT
set to zero, a configuration that could lead to unpredictable behaviour
according to i.MX8MP reference manual.
Signed-off-by: Jonas Rebmann <jre@pengutronix.de>
Reviewed-by: Wei Fang <wei.fang@nxp.com>
Link: https://patch.msgid.link/20250626-fec_deactivate_coalescing-v2-1-0b217f2e80da@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There is a occasional problem that ping is failed between AML devices.
That is because the manual enablement of the security Tx path on the
hardware is missing, no matter what its previous state was.
Fixes: 6f8b4c01a8cd ("net: txgbe: Implement PHYLINK for AML 25G/10G devices")
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/5BDFB14C57D1C42A+20250626085153.86122-1-jiawenwu@trustnetic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Ido Schimmel says:
====================
Add support for externally validated neighbor entries
Patch #1 adds a new neighbor flag ("extern_valid") that prevents the
kernel from invalidating or removing a neighbor entry, while allowing
the kernel to notify user space when the entry becomes reachable. See
motivation and implementation details in the commit message.
Patch #2 adds a selftest.
v1: https://lore.kernel.org/20250611141551.462569-1-idosch@nvidia.com
====================
Link: https://patch.msgid.link/20250626073111.244534-1-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add test cases for externally validated neighbor entries, testing both
IPv4 and IPv6. Name the file "test_neigh.sh" so that it could be
possibly extended in the future with more neighbor test cases.
Example output:
# ./test_neigh.sh
TEST: IPv4 "extern_valid" flag: Add entry [ OK ]
TEST: IPv4 "extern_valid" flag: Add with an invalid state [ OK ]
TEST: IPv4 "extern_valid" flag: Add with "use" flag [ OK ]
TEST: IPv4 "extern_valid" flag: Replace entry [ OK ]
TEST: IPv4 "extern_valid" flag: Replace entry with "managed" flag [ OK ]
TEST: IPv4 "extern_valid" flag: Replace with an invalid state [ OK ]
TEST: IPv4 "extern_valid" flag: Interface down [ OK ]
TEST: IPv4 "extern_valid" flag: Carrier down [ OK ]
TEST: IPv4 "extern_valid" flag: Transition to "reachable" state [ OK ]
TEST: IPv4 "extern_valid" flag: Transition back to "stale" state [ OK ]
TEST: IPv4 "extern_valid" flag: Forced garbage collection [ OK ]
TEST: IPv4 "extern_valid" flag: Periodic garbage collection [ OK ]
TEST: IPv6 "extern_valid" flag: Add entry [ OK ]
TEST: IPv6 "extern_valid" flag: Add with an invalid state [ OK ]
TEST: IPv6 "extern_valid" flag: Add with "use" flag [ OK ]
TEST: IPv6 "extern_valid" flag: Replace entry [ OK ]
TEST: IPv6 "extern_valid" flag: Replace entry with "managed" flag [ OK ]
TEST: IPv6 "extern_valid" flag: Replace with an invalid state [ OK ]
TEST: IPv6 "extern_valid" flag: Interface down [ OK ]
TEST: IPv6 "extern_valid" flag: Carrier down [ OK ]
TEST: IPv6 "extern_valid" flag: Transition to "reachable" state [ OK ]
TEST: IPv6 "extern_valid" flag: Transition back to "stale" state [ OK ]
TEST: IPv6 "extern_valid" flag: Forced garbage collection [ OK ]
TEST: IPv6 "extern_valid" flag: Periodic garbage collection [ OK ]
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20250626073111.244534-3-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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tl;dr
=====
Add a new neighbor flag ("extern_valid") that can be used to indicate to
the kernel that a neighbor entry was learned and determined to be valid
externally. The kernel will not try to remove or invalidate such an
entry, leaving these decisions to the user space control plane. This is
needed for EVPN multi-homing where a neighbor entry for a multi-homed
host needs to be synced across all the VTEPs among which the host is
multi-homed.
Background
==========
In a typical EVPN multi-homing setup each host is multi-homed using a
set of links called ES (Ethernet Segment, i.e., LAG) to multiple leaf
switches (VTEPs). VTEPs that are connected to the same ES are called ES
peers.
When a neighbor entry is learned on a VTEP, it is distributed to both ES
peers and remote VTEPs using EVPN MAC/IP advertisement routes. ES peers
use the neighbor entry when routing traffic towards the multi-homed host
and remote VTEPs use it for ARP/NS suppression.
Motivation
==========
If the ES link between a host and the VTEP on which the neighbor entry
was locally learned goes down, the EVPN MAC/IP advertisement route will
be withdrawn and the neighbor entries will be removed from both ES peers
and remote VTEPs. Routing towards the multi-homed host and ARP/NS
suppression can fail until another ES peer locally learns the neighbor
entry and distributes it via an EVPN MAC/IP advertisement route.
"draft-rbickhart-evpn-ip-mac-proxy-adv-03" [1] suggests avoiding these
intermittent failures by having the ES peers install the neighbor
entries as before, but also injecting EVPN MAC/IP advertisement routes
with a proxy indication. When the previously mentioned ES link goes down
and the original EVPN MAC/IP advertisement route is withdrawn, the ES
peers will not withdraw their neighbor entries, but instead start aging
timers for the proxy indication.
If an ES peer locally learns the neighbor entry (i.e., it becomes
"reachable"), it will restart its aging timer for the entry and emit an
EVPN MAC/IP advertisement route without a proxy indication. An ES peer
will stop its aging timer for the proxy indication if it observes the
removal of the proxy indication from at least one of the ES peers
advertising the entry.
In the event that the aging timer for the proxy indication expired, an
ES peer will withdraw its EVPN MAC/IP advertisement route. If the timer
expired on all ES peers and they all withdrew their proxy
advertisements, the neighbor entry will be completely removed from the
EVPN fabric.
Implementation
==============
In the above scheme, when the control plane (e.g., FRR) advertises a
neighbor entry with a proxy indication, it expects the corresponding
entry in the data plane (i.e., the kernel) to remain valid and not be
removed due to garbage collection or loss of carrier. The control plane
also expects the kernel to notify it if the entry was learned locally
(i.e., became "reachable") so that it will remove the proxy indication
from the EVPN MAC/IP advertisement route. That is why these entries
cannot be programmed with dummy states such as "permanent" or "noarp".
Instead, add a new neighbor flag ("extern_valid") which indicates that
the entry was learned and determined to be valid externally and should
not be removed or invalidated by the kernel. The kernel can probe the
entry and notify user space when it becomes "reachable" (it is initially
installed as "stale"). However, if the kernel does not receive a
confirmation, have it return the entry to the "stale" state instead of
the "failed" state.
In other words, an entry marked with the "extern_valid" flag behaves
like any other dynamically learned entry other than the fact that the
kernel cannot remove or invalidate it.
One can argue that the "extern_valid" flag should not prevent garbage
collection and that instead a neighbor entry should be programmed with
both the "extern_valid" and "extern_learn" flags. There are two reasons
for not doing that:
1. Unclear why a control plane would like to program an entry that the
kernel cannot invalidate but can completely remove.
2. The "extern_learn" flag is used by FRR for neighbor entries learned
on remote VTEPs (for ARP/NS suppression) whereas here we are
concerned with local entries. This distinction is currently irrelevant
for the kernel, but might be relevant in the future.
Given that the flag only makes sense when the neighbor has a valid
state, reject attempts to add a neighbor with an invalid state and with
this flag set. For example:
# ip neigh add 192.0.2.1 nud none dev br0.10 extern_valid
Error: Cannot create externally validated neighbor with an invalid state.
# ip neigh add 192.0.2.1 lladdr 00:11:22:33:44:55 nud stale dev br0.10 extern_valid
# ip neigh replace 192.0.2.1 nud failed dev br0.10 extern_valid
Error: Cannot mark neighbor as externally validated with an invalid state.
The above means that a neighbor cannot be created with the
"extern_valid" flag and flags such as "use" or "managed" as they result
in a neighbor being created with an invalid state ("none") and
immediately getting probed:
# ip neigh add 192.0.2.1 lladdr 00:11:22:33:44:55 nud stale dev br0.10 extern_valid use
Error: Cannot create externally validated neighbor with an invalid state.
However, these flags can be used together with "extern_valid" after the
neighbor was created with a valid state:
# ip neigh add 192.0.2.1 lladdr 00:11:22:33:44:55 nud stale dev br0.10 extern_valid
# ip neigh replace 192.0.2.1 lladdr 00:11:22:33:44:55 nud stale dev br0.10 extern_valid use
One consequence of preventing the kernel from invalidating a neighbor
entry is that by default it will only try to determine reachability
using unicast probes. This can be changed using the "mcast_resolicit"
sysctl:
# sysctl net.ipv4.neigh.br0/10.mcast_resolicit
0
# tcpdump -nn -e -i br0.10 -Q out arp &
# ip neigh replace 192.0.2.1 lladdr 00:11:22:33:44:55 nud stale dev br0.10 extern_valid use
62:50:1d:11:93:6f > 00:11:22:33:44:55, ethertype ARP (0x0806), length 42: Request who-has 192.0.2.1 tell 192.0.2.2, length 28
62:50:1d:11:93:6f > 00:11:22:33:44:55, ethertype ARP (0x0806), length 42: Request who-has 192.0.2.1 tell 192.0.2.2, length 28
62:50:1d:11:93:6f > 00:11:22:33:44:55, ethertype ARP (0x0806), length 42: Request who-has 192.0.2.1 tell 192.0.2.2, length 28
# sysctl -wq net.ipv4.neigh.br0/10.mcast_resolicit=3
# ip neigh replace 192.0.2.1 lladdr 00:11:22:33:44:55 nud stale dev br0.10 extern_valid use
62:50:1d:11:93:6f > 00:11:22:33:44:55, ethertype ARP (0x0806), length 42: Request who-has 192.0.2.1 tell 192.0.2.2, length 28
62:50:1d:11:93:6f > 00:11:22:33:44:55, ethertype ARP (0x0806), length 42: Request who-has 192.0.2.1 tell 192.0.2.2, length 28
62:50:1d:11:93:6f > 00:11:22:33:44:55, ethertype ARP (0x0806), length 42: Request who-has 192.0.2.1 tell 192.0.2.2, length 28
62:50:1d:11:93:6f > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42: Request who-has 192.0.2.1 tell 192.0.2.2, length 28
62:50:1d:11:93:6f > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42: Request who-has 192.0.2.1 tell 192.0.2.2, length 28
62:50:1d:11:93:6f > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42: Request who-has 192.0.2.1 tell 192.0.2.2, length 28
iproute2 patches can be found here [2].
[1] https://datatracker.ietf.org/doc/html/draft-rbickhart-evpn-ip-mac-proxy-adv-03
[2] https://github.com/idosch/iproute2/tree/submit/extern_valid_v1
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://patch.msgid.link/20250626073111.244534-2-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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syzbot found at least one path leads to an ip_mr_output()
without RCU being held.
Add guard(rcu)() to fix this in a concise way.
WARNING: net/ipv6/ip6mr.c:2376 at ip6_mr_output+0xe0b/0x1040 net/ipv6/ip6mr.c:2376, CPU#1: kworker/1:2/121
Call Trace:
<TASK>
ip6tunnel_xmit include/net/ip6_tunnel.h:162 [inline]
udp_tunnel6_xmit_skb+0x640/0xad0 net/ipv6/ip6_udp_tunnel.c:112
send6+0x5ac/0x8d0 drivers/net/wireguard/socket.c:152
wg_socket_send_skb_to_peer+0x111/0x1d0 drivers/net/wireguard/socket.c:178
wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline]
wg_packet_tx_worker+0x1c8/0x7c0 drivers/net/wireguard/send.c:276
process_one_work kernel/workqueue.c:3239 [inline]
process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3322
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3403
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
Fixes: 96e8f5a9fe2d ("net: ipv6: Add ip6_mr_output()")
Reported-by: syzbot+0141c834e47059395621@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/685e86b3.a00a0220.129264.0003.GAE@google.com/T/#u
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Roopa Prabhu <roopa@nvidia.com>
Cc: Benjamin Poirier <bpoirier@nvidia.com>
Cc: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/20250627115822.3741390-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pull io_uring fix from Jens Axboe:
"Now that anonymous inodes set S_IFREG, this breaks the io_uring
read/write retries for short reads/writes. As things like timerfd and
eventfd are anon inodes, applications that previously did:
unsigned long event_data[2];
io_uring_prep_read(sqe, evfd, event_data, sizeof(event_data), 0);
and just got a short read when 1 event was posted, will now wait for
the full amount before posting a completion.
This caused issues for the ghostty application, making it basically
unusable due to excessive buffering"
* tag 'io_uring-6.16-20250630' of git://git.kernel.dk/linux:
io_uring: gate REQ_F_ISREG on !S_ANON_INODE as well
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I have been working on mlx5 related code for several years,
contributing features, code reviews, and occasional maintainer tasks
when needed. This patch makes my maintainer role official.
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://patch.msgid.link/20250627014252.1262592-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski says:
====================
net: ethtool: consistently take rss_lock for all rxfh ops
I'd like to bring RXFH and RXFHINDIR ioctls under a single set of
Netlink ops. It appears that while core takes the ethtool->rss_lock
around some of the RXFHINDIR ops, drivers (sfc) take it internally
for the RXFH.
Consistently take the lock around all ops and accesses to the XArray
within the core. This should hopefully make the rss_lock a lot less
confusing.
====================
Link: https://patch.msgid.link/20250626202848.104457-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We already call get_rxfh under the rss_lock when we read back
context state after changes. Let's be consistent and always
hold the lock. The existing callers are all under rtnl_lock
so this should make no difference in practice, but it makes
the locking rules far less confusing IMHO. Any RSS callback
and any access to the RSS XArray should hold the lock.
Link: https://patch.msgid.link/20250626202848.104457-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Netlink code will want to perform the RSS_SET operation atomically
under the rss_lock. sfc wants to hold the rss_lock in rxfh_fields_get,
which makes that difficult. Lets move the locking up to the core
so that for all driver-facing callbacks rss_lock is taken consistently
by the core.
Link: https://patch.msgid.link/20250626202848.104457-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Always take the rss_lock in ethtool_set_rxfh(). We will want to
make a similar change in ethtool_set_rxfh_fields() and some
drivers lock that callback regardless of rss context ID being set.
Having some callbacks locked unconditionally and some only if
context ID is set would be very confusing.
ethtool handling is under rtnl_lock, so rss_lock is very unlikely
to ever be congested.
Link: https://patch.msgid.link/20250626202848.104457-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We now reuse .parse_request() from GET on SET, so we need to make sure
that the policies for both cover the attributes used for .parse_request().
genetlink will only allocate space in info->attrs for ARRAY_SIZE(policy).
Reported-by: syzbot+430f9f76633641a62217@syzkaller.appspotmail.com
Fixes: 963781bdfe20 ("net: ethtool: call .parse_request for SET handlers")
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20250626233926.199801-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC fixes from Alexandre Belloni:
"Some fixes for 6.16. The cmos one is important for PREEMPT_RT. I've
also added the s5m changes as they had a dependency on the MFD pull
request that was included in 6.16-rc1 and we didn't synchronize before
the merge window and they won't hurt.
- cmos: use spin_lock_irqsave in cmos_interrupt
- pcf2127: fix SPI command byte for PCF2131
- s5m: add S2MPG10 support"
* tag 'rtc-6.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: pcf2127: add missing semicolon after statement
rtc: pcf2127: fix SPI command byte for PCF2131
rtc: cmos: use spin_lock_irqsave in cmos_interrupt
rtc: s5m: replace open-coded read/modify/write registers with regmap helpers
rtc: s5m: replace regmap_update_bits with regmap_clear/set_bits
rtc: s5m: switch to devm_device_init_wakeup
rtc: s5m: fix a typo: peding -> pending
rtc: s5m: add support for S2MPG10 RTC
rtc: s5m: prepare for external regmap
rtc: s5m: cache device type during probe
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Add FALLOC_FL_ALLOCATE_RANGE to the set of supported fallocate flags in
XFS_FALLOC_FL_SUPPORTED. This change improves code clarity and maintains
by explicitly showing this flag in the supported flags mask.
Note that since FALLOC_FL_ALLOCATE_RANGE is defined as 0x00, this addition
has no functional modifications.
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Youling Tang <tangyouling@kylinos.cn>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Currently when xdp_rxq_info_reg_mem_model() fails in the XSK path, the
error handling incorrectly jumps to err_destroy_page_pool. While this
may not cause errors, we should make it jump to the correct location.
Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Acked-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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io_uring marks a request as dealing with a regular file on S_ISREG. This
drives things like retries on short reads or writes, which is generally
not expected on a regular file (or bdev). Applications tend to not
expect that, so io_uring tries hard to ensure it doesn't deliver short
IO on regular files.
However, a recent commit added S_IFREG to anonymous inodes. When
io_uring is used to read from various things that are backed by anon
inodes, like eventfd, timerfd, etc, then it'll now all of a sudden wait
for more data when rather than deliver what was read or written in a
single operation. This breaks applications that issue reads on anon
inodes, if they ask for more data than a single read delivers.
Add a check for !S_ANON_INODE as well before setting REQ_F_ISREG to
prevent that.
Cc: Christian Brauner <brauner@kernel.org>
Cc: stable@vger.kernel.org
Link: https://github.com/ghostty-org/ghostty/discussions/7720
Fixes: cfd86ef7e8e7 ("anon_inode: use a proper mode internally")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fix from Greg KH:
"Here is a single staging driver fix for 6.16-rc4. It resolves a build
error in the rtl8723bs driver for some versions of clang on arm64 when
checking the frame size with -Wframe-larger-than.
It has been in linux-next for a while now with no reported issues"
* tag 'staging-6.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: rtl8723bs: Avoid memset() in aes_cipher() and aes_decipher()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are five small serial and tty and vt fixes for 6.16-rc4. Included
in here are:
- kerneldoc fixes for recent vt changes
- imx serial driver fix
- of_node sysfs fix for a regression
- vt missing notification fix
- 8250 dt bindings fix
All of these have been in linux-next for a while with no reported issues"
* tag 'tty-6.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
dt-bindings: serial: 8250: Make clocks and clock-frequency exclusive
serial: imx: Restore original RXTL for console to fix data loss
serial: core: restore of_node information in sysfs
vt: fix kernel-doc warnings in ucs_get_fallback()
vt: add missing notification when switching back to text mode
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fix from Borislav Petkov:
- Consider secondary address mask registers in amd64_edac in order to
get the correct total memory size of the system
* tag 'edac_urgent_for_v6.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/amd64: Fix size calculation for Non-Power-of-Two DIMMs
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Make sure DR6 and DR7 are initialized to their architectural values
and not accidentally cleared, leading to misconfigurations
* tag 'x86_urgent_for_v6.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/traps: Initialize DR7 by writing its architectural reset value
x86/traps: Initialize DR6 by writing its architectural reset value
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Borislav Petkov:
- Make sure an AUX perf event is really disabled when it overruns
* tag 'perf_urgent_for_v6.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/aux: Fix pending disable flow when the AUX ring buffer overruns
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fix from Borislav Petkov:
- Make sure the new futex phash is not copied during fork in order to
avoid a double-free
* tag 'locking_urgent_for_v6.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Initialize futex_phash_new during fork().
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The error code was intended to be -EINVAL here, but it was accidentally
changed to returning success. Set the error code.
Fixes: e53ee4acb220 ("octeontx2-af: CN20k basic mbox operations and structures")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- imx: fix SMBus protocol compliance during block read
- omap: fix error handling path in probe
- robotfuzz, tiny-usb: prevent zero-length reads
- x86, designware, amdisp: fix build error when modules are disabled
(agreed to go in via i2c)
- scx200_acb: fix build error because of missing HAS_IOPORT
* tag 'i2c-for-6.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: scx200_acb: depends on HAS_IOPORT
i2c: omap: Fix an error handling path in omap_i2c_probe()
platform/x86: Use i2c adapter name to fix build errors
i2c: amd-isp: Initialize unique adapter name
i2c: designware: Initialize adapter name only when not set
i2c: tiny-usb: disable zero-length read messages
i2c: robotfuzz-osif: disable zero-length read messages
i2c: imx: fix emulated smbus block read
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fix from Steven Rostedt:
- Fix possible UAF on error path in filter_free_subsystem_filters()
When freeing a subsystem filter, the filter for the subsystem is
passed in to be freed and all the events within the subsystem will
have their filter freed too. In order to free without waiting for RCU
synchronization, list items are allocated to hold what is going to be
freed to free it via a call_rcu(). If the allocation of these items
fails, it will call the synchronization directly and free after that
(causing a bit of delay for the user).
The subsystem filter is first added to this list and then the filters
for all the events under the subsystem. The bug is if one of the
allocations of the list items for the event filters fail to allocate,
it jumps to the "free_now" label which will free the subsystem
filter, then all the items on the allocated list, and then the event
filters that were not added to the list yet. But because the
subsystem filter was added first, it gets freed twice.
The solution is to add the subsystem filter after the events, and
then if any of the allocations fail it will not try to free any of
them twice
* tag 'trace-v6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Fix filter logic error
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git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch fixes from Huacai Chen:
- replace __ASSEMBLY__ with __ASSEMBLER__ in headers like others
- fix build warnings about export.h
- reserve the EFI memory map region for kdump
- handle __init vs inline mismatches
- fix some KVM bugs
* tag 'loongarch-fixes-6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: KVM: Disable updating of "num_cpu" and "feature"
LoongArch: KVM: Check validity of "num_cpu" from user space
LoongArch: KVM: Check interrupt route from physical CPU
LoongArch: KVM: Fix interrupt route update with EIOINTC
LoongArch: KVM: Add address alignment check for IOCSR emulation
LoongArch: KVM: Avoid overflow with array index
LoongArch: Handle KCOV __init vs inline mismatches
LoongArch: Reserve the EFI memory map region
LoongArch: Fix build warnings about export.h
LoongArch: Replace __ASSEMBLY__ with __ASSEMBLER__ in headers
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According to Documentation/PCI/pci-error-recovery.rst only the
error_detected() callback in the err_handler struct is mandatory for
a driver to support error recovery. So far s390's error recovery chose
a stricter approach also requiring slot_reset() and resume().
Relax this requirement and only require error_detected(). If a callback
is not implemented EEH and AER treat this as PCI_ERS_RESULT_NONE. This
return value is otherwise used by drivers abstaining from their vote
on how to proceed with recovery and currently also not supported by
s390's recovery code.
So to support missing callbacks in-line with other implementors of the
recovery flow, also handle PCI_ERS_RESULT_NONE. Since s390 only does per
PCI function recovery and does not do voting, treat PCI_ERS_RESULT_NONE
optimistically and proceed through recovery unless other failures
prevent this.
Reviewed-by: Farhan Ali <alifm@linux.ibm.com>
Reviewed-by: Julian Ruess <julianr@linux.ibm.com>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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If a device is disabled unblocking load/store on its own is not useful
as a full re-enable of the function is necessary anyway. Note that SCLP
Write Event Data Action Qualifier 0 (Reset) leaves the device disabled
and triggers this case unless the driver already requests a reset.
Cc: stable@vger.kernel.org
Fixes: 4cdf2f4e24ff ("s390/pci: implement minimal PCI error recovery")
Reviewed-by: Farhan Ali <alifm@linux.ibm.com>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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The error event information for PCI error events contains a function
handle for the respective function. This handle is generally captured at
the time the error event was recorded. Due to delays in processing or
cascading issues, it may happen that during firmware recovery multiple
events are generated. When processing these events in order Linux may
already have recovered an affected function making the event information
stale. Fix this by doing an unconditional CLP List PCI function
retrieving the current function handle with the zdev->state_lock held
and ignoring the event if its function handle is stale.
Cc: stable@vger.kernel.org
Fixes: 4cdf2f4e24ff ("s390/pci: implement minimal PCI error recovery")
Reviewed-by: Julian Ruess <julianr@linux.ibm.com>
Reviewed-by: Gerd Bayer <gbayer@linux.ibm.com>
Reviewed-by: Farhan Ali <alifm@linux.ibm.com>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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syzbot found at least one path leads to an ip_mr_output()
without RCU being held.
Add guard(rcu)() to fix this in a concise way.
WARNING: CPU: 0 PID: 0 at net/ipv4/ipmr.c:2302 ip_mr_output+0xbb1/0xe70 net/ipv4/ipmr.c:2302
Call Trace:
<IRQ>
igmp_send_report+0x89e/0xdb0 net/ipv4/igmp.c:799
igmp_timer_expire+0x204/0x510 net/ipv4/igmp.c:-1
call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1747
expire_timers kernel/time/timer.c:1798 [inline]
__run_timers kernel/time/timer.c:2372 [inline]
__run_timer_base+0x61a/0x860 kernel/time/timer.c:2384
run_timer_base kernel/time/timer.c:2393 [inline]
run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403
handle_softirqs+0x286/0x870 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
Fixes: 35bec72a24ac ("net: ipv4: Add ip_mr_output()")
Reported-by: syzbot+f02fb9e43bd85c6c66ae@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/685e841a.a00a0220.129264.0002.GAE@google.com/T/#u
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Petr Machata <petrm@nvidia.com>
Cc: Roopa Prabhu <roopa@nvidia.com>
Cc: Nikolay Aleksandrov <razor@blackwall.org>
Cc: Benjamin Poirier <bpoirier@nvidia.com>
Cc: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull smb client fixes from Steve French:
- Multichannel reconnect lock ordering deadlock fix
- Fix for regression in handling native Windows symlinks
- Three smbdirect fixes:
- oops in RDMA response processing
- smbdirect memcpy issue
- fix smbdirect regression with large writes (smbdirect test cases
now all passing)
- Fix for "FAILED_TO_PARSE" warning in trace-cmd report output
* tag 'v6.16-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Fix reading into an ITER_FOLIOQ from the smbdirect code
cifs: Fix the smbd_response slab to allow usercopy
smb: client: fix potential deadlock when reconnecting channels
smb: client: remove \t from TP_printk statements
smb: client: let smbd_post_send_iter() respect the peers max_send_size and transmit all data
smb: client: fix regression with native SMB symlinks
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"16 hotfixes.
6 are cc:stable and the remainder address post-6.15 issues or aren't
considered necessary for -stable kernels. 5 are for MM"
* tag 'mm-hotfixes-stable-2025-06-27-16-56' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
MAINTAINERS: add Lorenzo as THP co-maintainer
mailmap: update Duje Mihanović's email address
selftests/mm: fix validate_addr() helper
crashdump: add CONFIG_KEYS dependency
mailmap: correct name for a historical account of Zijun Hu
mailmap: add entries for Zijun Hu
fuse: fix runtime warning on truncate_folio_batch_exceptionals()
scripts/gdb: fix dentry_name() lookup
mm/damon/sysfs-schemes: free old damon_sysfs_scheme_filter->memcg_path on write
mm/alloc_tag: fix the kmemleak false positive issue in the allocation of the percpu variable tag->counters
lib/group_cpus: fix NULL pointer dereference from group_cpus_evenly()
mm/hugetlb: remove unnecessary holding of hugetlb_lock
MAINTAINERS: add missing files to mm page alloc section
MAINTAINERS: add tree entry to mm init block
mm: add OOM killer maintainer structure
fs/proc/task_mmu: fix PAGE_IS_PFNZERO detection for the huge zero folio
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V Fixes for 5.16-rc4
- .rodata is no longer linkd into PT_DYNAMIC.
It was not supposed to be there in the first place and resulted in
invalid (but unused) entries. This manifests as at least warnings in
llvm-readelf
- A fix for runtime constants with all-0 upper 32-bits. This should
only manifest on MMU=n kernels
- A fix for context save/restore on systems using the T-Head vector
extensions
- A fix for a conflicting "+r"/"r" register constraint in the VDSO
getrandom syscall wrapper, which is undefined behavior in clang
- A fix for a missing register clobber in the RVV raid6 implementation.
This manifests as a NULL pointer reference on some compilers, but
could trigger in other ways
- Misaligned accesses from userspace at faulting addresses are now
handled correctly
- A fix for an incorrect optimization that allowed access_ok() to mark
invalid addresses as accessible, which can result in userspace
triggering BUG()s
- A few fixes for build warnings, and an update to Drew's email address
* tag 'riscv-for-linus-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: export boot_cpu_hartid
Revert "riscv: Define TASK_SIZE_MAX for __access_ok()"
riscv: Fix sparse warning in vendor_extensions/sifive.c
Revert "riscv: misaligned: fix sleeping function called during misaligned access handling"
MAINTAINERS: Update Drew Fustini's email address
RISC-V: uaccess: Wrap the get_user_8 uaccess macro
raid6: riscv: Fix NULL pointer dereference caused by a missing clobber
RISC-V: vDSO: Correct inline assembly constraints in the getrandom syscall wrapper
riscv: vector: Fix context save/restore with xtheadvector
riscv: fix runtime constant support for nommu kernels
riscv: vdso: Exclude .rodata from the PT_DYNAMIC segment
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fix from Bjorn Helgaas:
- Fix a PTM debugfs build error with CONFIG_DEBUG_FS=n &&
CONFIG_PCIE_PTM=y (Manivannan Sadhasivam)
* tag 'pci-v6.16-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI/PTM: Build debugfs code only if CONFIG_DEBUG_FS is enabled
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Pull drm fixes from Dave Airlie:
"Regular weekly drm updates, nothing out of the ordinary, amdgpu, xe,
i915 and a few misc bits. Seems about right for this time in the
release cycle.
core:
- fix drm_writeback_connector_cleanup function signature
- use correct HDMI audio bridge in drm_connector_hdmi_audio_init
bridge:
- SN65DSI86: fix HPD
amdgpu:
- Cleaner shader support for additional GFX9 GPUs
- MES firmware compatibility fixes
- Discovery error reporting fixes
- SDMA6/7 userq fixes
- Backlight fix
- EDID sanity check
i915:
- Fix for SNPS PHY HDMI for 1080p@120Hz
- Correct DP AUX DPCD probe address
- Followup build fix for GCOV and AutoFDO enabled config
xe:
- Missing error check
- Fix xe_hwmon_power_max_write
- Move flushes
- Explicitly exit CT safe mode on unwind
- Process deferred GGTT node removals on device unwind"
* tag 'drm-fixes-2025-06-28' of https://gitlab.freedesktop.org/drm/kernel:
drm/xe: Process deferred GGTT node removals on device unwind
drm/xe/guc: Explicitly exit CT safe mode on unwind
drm/xe: move DPT l2 flush to a more sensible place
drm/xe: Move DSB l2 flush to a more sensible place
drm/bridge: ti-sn65dsi86: Add HPD for DisplayPort connector type
drm/i915: fix build error some more
drm/xe/hwmon: Fix xe_hwmon_power_max_write
drm/xe/display: Add check for alloc_ordered_workqueue()
drm/amd/display: Add sanity checks for drm_edid_raw()
drm/amd/display: Fix AMDGPU_MAX_BL_LEVEL value
drm/amdgpu/sdma7: add ucode version checks for userq support
drm/amdgpu/sdma6: add ucode version checks for userq support
drm/amd: Adjust output for discovery error handling
drm/amdgpu/mes: add compatibility checks for set_hw_resource_1
drm/amdgpu/gfx9: Add Cleaner Shader Support for GFX9.x GPUs
drm/bridge-connector: Fix bridge in drm_connector_hdmi_audio_init()
drm/dp: Change AUX DPCD probe address from DPCD_REV to LANE0_1_STATUS
drm/i915/snps_hdmi_pll: Fix 64-bit divisor truncation by using div64_u64
drm: writeback: Fix drm_writeback_connector_cleanup signature
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git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull Compute Express Link (CXL) fixes from Dave Jiang:
"These fixes address a few issues in the CXL subsystem, including
dealing with some bugs in the CXL EDAC and RAS drivers:
- Fix return value of cxlctl_validate_set_features()
- Fix min_scrub_cycle of a region miscaculation and add additional
documentation
- Fix potential memory leak issues for CXL EDAC
- Fix CPER handler device confusion for CXL RAS
- Fix using wrong repair type to check DRAM event record"
* tag 'cxl-fixes-6.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/edac: Fix using wrong repair type to check dram event record
cxl/ras: Fix CPER handler device confusion
cxl/edac: Fix potential memory leak issues
cxl/Documentation: Add more description about min/max scrub cycle
cxl/edac: Fix the min_scrub_cycle of a region miscalculation
cxl: fix return value in cxlctl_validate_set_features()
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux
Pull crypto library fix from Eric Biggers:
"Fix a regression where the purgatory code sometimes fails to build"
* tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux:
lib/crypto: sha256: Mark sha256_choose_blocks as __always_inline
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The driver registered xdp_rxq_info structures via xdp_rxq_info_reg()
but failed to properly unregister them in error paths and during
removal.
Fixes: d678be1dc1ec ("dpaa2-eth: add XDP_REDIRECT support")
Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://patch.msgid.link/20250626133003.80136-1-wangfushuai@baidu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The `dma_map_XXX()` functions can fail and must be checked using
`dma_mapping_error()`. This patch adds proper error handling for all
DMA mapping calls.
In `atl1_alloc_rx_buffers()`, if DMA mapping fails, the buffer is
deallocated and marked accordingly.
In `atl1_tx_map()`, previously mapped buffers are unmapped and the
packet is dropped on failure.
If `atl1_xmit_frame()` drops the packet, increment the tx_error counter.
Fixes: f3cc28c79760 ("Add Attansic L1 ethernet driver.")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Link: https://patch.msgid.link/20250625141629.114984-2-fourier.thomas@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Hariprasad Kelam says:
====================
Octeontx2-pf: extend link modes support
This series of patches adds multi advertise mode support along with
other improvements in link mode management code flow.
Patch1: Currently all SGMII modes 10/100/1000baseT are mapped with
single firmware mode. This patch updates these link modes
with corresponding firmware modes.
Patch2: Due to limitation in current kernel <-> firmware communication,
link modes are divided into multiple groups, and identified
with their group index.
Patch3: Adds support for multi advertise mode.
====================
Link: https://patch.msgid.link/20250625092107.9746-1-hkelam@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Current implementation considers only first advertise
mode and passes the same to firmware to process.
This patch extends code such that user can advertise
multiple modes on the given interface.
Below are high level changes:
1. Remove unnecessary speed/duplex/autoneg validation as its
already verified as part of "set_link_ksettings"
2. Since scratch csr framework designed to support single mode at a time,
use "shared firmware data" for multi mode support.
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Link: https://patch.msgid.link/20250625092107.9746-4-hkelam@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Kernel and firmware communicates via scratch register which is
64 bit in size.
[MODE_ID PORT AUTONEG DUPLEX SPEED CMD_ID OWNERSHIP ]
63-22 21-14 13 12 11-8 7-2 1-0
The existing MODE_ID bitmap can only support up to 42 modes.
To resolve the issue, the unused port field is modified as below
uint64_t reserved2:6;
uint64_t mode_group_idx:2;
'mode_group_idx' categorize the mode ID range to accommodate more modes.
To specify mode ID range of 0 - 41, this field will be 0.
To specify mode ID range of 42 - 83, this field will be 1.
mode ID will be still mentioned as 1 << (0 - 41). But the mode_group_idx
decides the actual mode range
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Link: https://patch.msgid.link/20250625092107.9746-3-hkelam@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Current implementation maps ethtool link modes 10baseT/100baseT/1000baseT
to single firmware mode SGMII. This create a problem for end users who want
to advertise only one speed among them.
This patch addresses the issue by mapping each ethtool link mode
to a corresponding firmware mode also updates new modes supported
by firmware.
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Link: https://patch.msgid.link/20250625092107.9746-2-hkelam@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Arkadiusz Kubalewski says:
====================
dpll: add Reference SYNC feature
The device may support the Reference SYNC feature, which allows the
combination of two inputs into a input pair. In this configuration,
clock signals from both inputs are used to synchronize the DPLL device.
The higher frequency signal is utilized for the loop bandwidth of the DPLL,
while the lower frequency signal is used to syntonize the output signal of
the DPLL device. This feature enables the provision of a high-quality loop
bandwidth signal from an external source.
A capable input provides a list of inputs that can be bound with to create
Reference SYNC. To control this feature, the user must request a
desired state for a target pin: use ``DPLL_PIN_STATE_CONNECTED`` to
enable or ``DPLL_PIN_STATE_DISCONNECTED`` to disable the feature. An input
pin can be bound to only one other pin at any given time.
Verify pins bind state/capabilities:
$ ./tools/net/ynl/pyynl/cli.py \
--spec Documentation/netlink/specs/dpll.yaml \
--do pin-get \
--json '{"id":0}'
{'board-label': 'CVL-SDP22',
'id': 0,
[...]
'reference-sync': [{'id': 1, 'state': 'disconnected'}],
[...]}
Bind the pins by setting connected state between them:
$ ./tools/net/ynl/pyynl/cli.py \
--spec Documentation/netlink/specs/dpll.yaml \
--do pin-set \
--json '{"id":0, "reference-sync":{"id":1, "state":"connected"}}'
Verify pins bind state:
$ ./tools/net/ynl/pyynl/cli.py \
--spec Documentation/netlink/specs/dpll.yaml \
--do pin-get \
--json '{"id":0}'
{'board-label': 'CVL-SDP22',
'id': 0,
[...]
'reference-sync': [{'id': 1, 'state': 'connected'}],
[...]}
Unbind the pins by setting disconnected state between them:
$ ./tools/net/ynl/pyynl/cli.py \
--spec Documentation/netlink/specs/dpll.yaml \
--do pin-set \
--json '{"id":0, "reference-sync":{"id":1, "state":"disconnected"}}'
====================
Link: https://patch.msgid.link/20250626135219.1769350-1-arkadiusz.kubalewski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Implement reference sync input pin get/set callbacks, allow user space
control over dpll pin pairs capable of reference sync support.
Reviewed-by: Milena Olech <milena.olech@intel.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Link: https://patch.msgid.link/20250626135219.1769350-4-arkadiusz.kubalewski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Define function for reference sync pin registration and callback ops to
set/get current feature state.
Implement netlink handler to fill netlink messages with reference sync
pin configuration of capable pins (pin-get).
Implement netlink handler to call proper ops and configure reference
sync pin state (pin-set).
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Milena Olech <milena.olech@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Link: https://patch.msgid.link/20250626135219.1769350-3-arkadiusz.kubalewski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add new netlink attribute to allow user space configuration of reference
sync pin pairs, where both pins are used to provide one clock signal
consisting of both: base frequency and sync signal.
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Milena Olech <milena.olech@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Link: https://patch.msgid.link/20250626135219.1769350-2-arkadiusz.kubalewski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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