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This patch use seq_file for the following nodes:
fd_tcam/fd_counter
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20250714061037.2616413-9-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This patch use seq_file for the following nodes:
bios_common/ssu/igu_egu/rpu/ncsi/rtc/ppp/rcb/tqp/mac/dcb
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20250714061037.2616413-8-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This patch use seq_file for the following nodes:
uc/mc
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20250714061037.2616413-7-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use seq_file for files in debugfs. This is the first
modification for reading in hclge_debugfs.c.
This patch use seq_file for the following nodes:
tm_nodes/tm_priority/tm_qset/tm_map/tm_pg/tm_port/tc_sch_info/
qos_pause_cfg/qos_pri_map/qos_dscp_map/qos_buf_cfg
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20250714061037.2616413-6-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This patch use seq_file for the following nodes:
dev_info/coalesce_info/page_pool_info
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20250714061037.2616413-5-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This patch use seq_file for the following nodes:
rx_queue_info/queue_map
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20250714061037.2616413-4-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Arnd reported that there are two build warning for on-stasck
buffer oversize. As Arnd's suggestion, using seq file way
to avoid the stack buffer or kmalloc buffer allocating.
Reported-by: Arnd Bergmann <arnd@kernel.org>
Closes: https://lore.kernel.org/all/20250610092113.2639248-1-arnd@kernel.org/
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20250714061037.2616413-3-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The tx spare info in debugfs is not very useful,
and there are related statistics available for troubleshooting.
This patch removes the tx spare info from debugfs.
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20250714061037.2616413-2-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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These is no need to check null for idev before return NULL.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250714081732.3109764-1-yuehaibing@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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rds_tcp_accept_one() starts with a pretty much verbatim
copy of kernel_accept(). Might as well use the real thing...
That code went into mainline in 2009, kernel_accept()
had been added in Aug 2006, the copyright on rds/tcp_listen.c
is "Copyright (c) 2006 Oracle", so it's entirely possible
that it predates the introduction of kernel_accept().
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://patch.msgid.link/20250713180134.GC1880847@ZenIV
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This moves bnxt_hsi.h contents to a common location so it can be
properly referenced by bnxt_en, bnxt_re, and bnge.
Signed-off-by: Andy Gospodarek <gospo@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250714170202.39688-1-gospo@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Matt Johnston says:
====================
net: mctp: Improved bind handling
This series improves a couple of aspects of MCTP bind() handling.
MCTP wasn't checking whether the same MCTP type was bound by multiple
sockets. That would result in messages being received by an arbitrary
socket, which isn't useful behaviour. Instead it makes more sense to
have the duplicate binds fail, the same as other network protocols.
An exception is made for more-specific binds to particular MCTP
addresses.
It is also useful to be able to limit a bind to only receive incoming
request messages (MCTP TO bit set) from a specific peer+type, so that
individual processes can communicate with separate MCTP peers. One
example is a PLDM firmware update requester, which will initiate
communication with a device, and then the device will connect back to the
requester process.
These limited binds are implemented by a connect() call on the socket
prior to bind. connect() isn't used in the general case for MCTP, since
a plain send() wouldn't provide the required MCTP tag argument for
addressing.
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
====================
Link: https://patch.msgid.link/20250710-mctp-bind-v4-0-8ec2f6460c56@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Test the preference order of bound socket matches with a series of test
packets.
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Link: https://patch.msgid.link/20250710-mctp-bind-v4-8-8ec2f6460c56@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The addition of connect() adds new conflict cases to test.
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Link: https://patch.msgid.link/20250710-mctp-bind-v4-7-8ec2f6460c56@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Prior to calling bind() a program may call connect() on a socket to
restrict to a remote peer address.
Using connect() is the normal mechanism to specify a remote network
peer, so we use that here. In MCTP connect() is only used for bound
sockets - send() is not available for MCTP since a tag must be provided
for each message.
The smctp_type must match between connect() and bind() calls.
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Link: https://patch.msgid.link/20250710-mctp-bind-v4-6-8ec2f6460c56@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Ensure that a specific EID (remote or local) bind will match in
preference to a MCTP_ADDR_ANY bind.
This adds infrastructure for binding a socket to receive messages from a
specific remote peer address, a future commit will expose an API for
this.
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Link: https://patch.msgid.link/20250710-mctp-bind-v4-5-8ec2f6460c56@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Test pairwise combinations of bind addresses and types.
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Link: https://patch.msgid.link/20250710-mctp-bind-v4-4-8ec2f6460c56@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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When a specific EID is passed as a bind address, it only makes sense to
interpret with an actual network ID, so resolve that to the default
network at bind time.
For bind address of MCTP_ADDR_ANY, we want to be able to capture traffic
to any network and address, so keep the current behaviour of matching
traffic from any network interface (don't interpret MCTP_NET_ANY as
the default network ID).
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Link: https://patch.msgid.link/20250710-mctp-bind-v4-3-8ec2f6460c56@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Disallow bind() calls that have the same arguments as existing bound
sockets. Previously multiple sockets could bind() to the same
type/local address, with an arbitrary socket receiving matched messages.
This is only a partial fix, a future commit will define precedence order
for MCTP_ADDR_ANY versus specific EID bind(), which are allowed to exist
together.
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Link: https://patch.msgid.link/20250710-mctp-bind-v4-2-8ec2f6460c56@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The sock was not being released. Other than leaking, the stale socket
will conflict with subsequent bind() calls in unrelated MCTP tests.
Fixes: 46ee16462fed ("net: mctp: test: Add extaddr routing output test")
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Link: https://patch.msgid.link/20250710-mctp-bind-v4-1-8ec2f6460c56@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Avoid duplicate non-null pointer check for pmc in mld_del_delrec().
No functional changes.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250714081949.3109947-1-yuehaibing@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Eric Dumazet says:
====================
tcp: receiver changes
Before accepting an incoming packet:
- Make sure to not accept a packet beyond advertized RWIN.
If not, increment a new SNMP counter (LINUX_MIB_BEYOND_WINDOW)
- ooo packets should update rcv_mss and tp->scaling_ratio.
- Make sure to not accept packet beyond sk_rcvbuf limit.
This series includes three associated packetdrill tests.
====================
Link: https://patch.msgid.link/20250711114006.480026-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Check that TCP receiver behavior after "tcp: stronger sk_rcvbuf checks"
Too fat packet is dropped unless receive queue is empty.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-9-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, TCP stack accepts incoming packet if sizes of receive queues
are below sk->sk_rcvbuf limit.
This can cause memory overshoot if the packet is big, like an 1/2 MB
BIG TCP one.
Refine the check to take into account the incoming skb truesize.
Note that we still accept the packet if the receive queue is empty,
to not completely freeze TCP flows in pathological conditions.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-8-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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These functions to not modify the skb, add a const qualifier.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-7-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We make sure tcpi_rcv_mss and tp->scaling_ratio
are correctly updated if no in-order packet has been received yet.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-6-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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tcp_measure_rcv_mss() is used to update icsk->icsk_ack.rcv_mss
(tcpi_rcv_mss in tcp_info) and tp->scaling_ratio.
Calling it from tcp_data_queue_ofo() makes sure these
fields are updated, and permits a better tuning
of sk->sk_rcvbuf, in the case a new flow receives many ooo
packets.
Fixes: dfa2f0483360 ("tcp: get rid of sysctl_tcp_adv_win_scale")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This test checks TCP behavior when receiving a packet beyond the window.
It checks the new TcpExtBeyondWindow SNMP counter.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a new SNMP MIB : LINUX_MIB_BEYOND_WINDOW
Incremented when an incoming packet is received beyond the
receiver window.
nstat -az | grep TcpExtBeyondWindow
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, TCP accepts incoming packets which might go beyond the
offered RWIN.
Add to tcp_sequence() the validation of packet end sequence.
Add the corresponding check in the fast path.
We relax this new constraint if the receive queue is empty,
to not freeze flows from buggy peers.
Add a new drop reason : SKB_DROP_REASON_TCP_INVALID_END_SEQUENCE.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Two more drivers got added that use LIBWX and cause a build warning
WARNING: unmet direct dependencies detected for LIBWX
Depends on [m]: NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_WANGXUN [=y] && PTP_1588_CLOCK_OPTIONAL [=m]
Selected by [y]:
- NGBEVF [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_WANGXUN [=y] && PCI_MSI [=y]
Selected by [m]:
- NGBE [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_WANGXUN [=y] && PCI [=y] && PTP_1588_CLOCK_OPTIONAL [=m]
ld: drivers/net/ethernet/wangxun/libwx/wx_lib.o: in function `wx_clean_tx_irq':
wx_lib.c:(.text+0x5a68): undefined reference to `ptp_schedule_worker'
ld: drivers/net/ethernet/wangxun/libwx/wx_ethtool.o: in function `wx_nway_reset':
wx_ethtool.c:(.text+0x880): undefined reference to `phylink_ethtool_nway_reset'
Add the same dependency on PTP_1588_CLOCK_OPTIONAL to the two driver
using this library module, following the pattern from commit
8fa19c2c69fb ("net: wangxun: fix LIBWX dependencies").
Fixes: 377d180bd71c ("net: wangxun: add txgbevf build")
Fixes: a0008a3658a3 ("net: wangxun: add ngbevf build")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org> # build-tested
Link: https://patch.msgid.link/20250711082339.1372821-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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A net device has a threaded sysctl that can be used to enable threaded
NAPI polling on all of the NAPI contexts under that device. Allow
enabling threaded NAPI polling at individual NAPI level using netlink.
Extend the netlink operation `napi-set` and allow setting the threaded
attribute of a NAPI. This will enable the threaded polling on a NAPI
context.
Add a test in `nl_netdev.py` that verifies various cases of threaded
NAPI being set at NAPI and at device level.
Tested
./tools/testing/selftests/net/nl_netdev.py
TAP version 13
1..7
ok 1 nl_netdev.empty_check
ok 2 nl_netdev.lo_check
ok 3 nl_netdev.page_pool_check
ok 4 nl_netdev.napi_list_check
ok 5 nl_netdev.dev_set_threaded
ok 6 nl_netdev.napi_set_threaded
ok 7 nl_netdev.nsim_rxq_reset_down
# Totals: pass:7 fail:0 xfail:0 xpass:0 skip:0 error:0
Signed-off-by: Samiullah Khawaja <skhawaja@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250710211203.3979655-1-skhawaja@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If a PHY has no driver, the genphy driver is probed/removed directly in
phy_attach/detach. If the PHY's ofnode has an "leds" subnode, then the
LEDs will be (un)registered when probing/removing the genphy driver.
This could occur if the leds are for a non-generic driver that isn't
loaded for whatever reason. Synchronously removing the PHY device in
phy_detach leads to the following deadlock:
rtnl_lock()
ndo_close()
...
phy_detach()
phy_remove()
phy_leds_unregister()
led_classdev_unregister()
led_trigger_set()
netdev_trigger_deactivate()
unregister_netdevice_notifier()
rtnl_lock()
There is a corresponding deadlock on the open/register side of things
(and that one is reported by lockdep), but it requires a race while this
one is deterministic. Regular drivers do not have this problem since
they are probed asynchronously (without RTNL held).
Generic PHYs do not support LEDs anyway, so don't bother registering
them.
[JakubL this is a net-next version of
commit f0f2b992d818 ("net: phy: Don't register LEDs for genphy"),
which uses APIs removed in -next.]
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Link: https://patch.msgid.link/20250710201454.1280277-1-sean.anderson@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add flow control mechanism between paired netdevsim devices to stop the
TX queue during high traffic scenarios. When a receive queue becomes
congested (approaching NSIM_RING_SIZE limit), the corresponding transmit
queue on the peer device is stopped using netif_subqueue_try_stop().
Once the receive queue has sufficient capacity again, the peer's
transmit queue is resumed with netif_tx_wake_queue().
Key changes:
* Add nsim_stop_peer_tx_queue() to pause peer TX when RX queue is full
* Add nsim_start_peer_tx_queue() to resume peer TX when RX queue drains
* Implement queue mapping validation to ensure TX/RX queue count match
* Wake all queues during device unlinking to prevent stuck queues
* Use RCU protection when accessing peer device references
* wake the queues when changing the queue numbers
* Remove IFF_NO_QUEUE given it will enqueue packets now
The flow control only activates when devices have matching TX/RX queue
counts to ensure proper queue mapping.
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20250711-netdev_flow_control-v3-1-aa1d5a155762@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Added a test for variable PMTU in broadcast routes.
This test uses iputils' ping and attempts to send a ping between
two peers, which should result in a regular echo reply.
This test will fail when the receiving peer does not receive the echo
request due to a lack of packet fragmentation.
Signed-off-by: Oscar Maes <oscmaes92@gmail.com>
Link: https://patch.msgid.link/20250710142714.12986-2-oscmaes92@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, __mkroute_output overrules the MTU value configured for
broadcast routes.
This buggy behaviour can be reproduced with:
ip link set dev eth1 mtu 9000
ip route del broadcast 192.168.0.255 dev eth1 proto kernel scope link src 192.168.0.2
ip route add broadcast 192.168.0.255 dev eth1 proto kernel scope link src 192.168.0.2 mtu 1500
The maximum packet size should be 1500, but it is actually 8000:
ping -b 192.168.0.255 -s 8000
Fix __mkroute_output to allow MTU values to be configured for
for broadcast routes (to support a mixed-MTU local-area-network).
Signed-off-by: Oscar Maes <oscmaes92@gmail.com>
Link: https://patch.msgid.link/20250710142714.12986-1-oscmaes92@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux
Tariq Toukan says:
====================
mlx5-next updates 2025-07-14
* 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux:
net/mlx5: IFC updates for disabled host PF
net/mlx5: Expose disciplined_fr_counter through HCA capabilities in mlx5_ifc
RDMA/mlx5: Fix UMR modifying of mkey page size
net/mlx5: Expose HCA capability bits for mkey max page size
====================
Link: https://patch.msgid.link/1752481357-34780-1-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2025-07-11
The first patch is by Geert Uytterhoeven and converts the rcar_can
driver to DEFINE_SIMPLE_DEV_PM_OPS.
The last patch is by Biju Das and removes unused macros from the
rcar_canfd driver.
* tag 'linux-can-next-for-6.17-20250711' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next:
can: rcar_canfd: Drop unused macros
can: rcar_can: Convert to DEFINE_SIMPLE_DEV_PM_OPS()
====================
Link: https://patch.msgid.link/20250711101706.2822687-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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x25_terminate_link() has been unused since the last use was removed
in 2020 by:
commit 7eed751b3b2a ("net/x25: handle additional netdev events")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Acked-by: Martin Schiller <ms@dev.tdt.de>
Link: https://patch.msgid.link/20250712205759.278777-1-linux@treblig.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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I missed adding rss_api.py to the Makefile. The NIPA Makefile
checking script was scanning for shell scripts only, so it
didn't flag it either.
Fixes: 4d13c6c449af ("selftests: drv-net: test RSS Netlink notifications")
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250712012005.4010263-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The buffer bgx_sel used in snprintf() was too small to safely hold
the formatted string "BGX%d" for all valid bgx_id values. This caused
a -Wformat-truncation warning with `Werror` enabled during build.
Increase the buffer size from 5 to 7 and use `sizeof(bgx_sel)` in
snprintf() to ensure safety and suppress the warning.
Build warning:
CC drivers/net/ethernet/cavium/thunder/thunder_bgx.o
drivers/net/ethernet/cavium/thunder/thunder_bgx.c: In function
‘bgx_acpi_match_id’:
drivers/net/ethernet/cavium/thunder/thunder_bgx.c:1434:27: error: ‘%d’
directive output may be truncated writing between 1 and 3 bytes into a
region of size 2 [-Werror=format-truncation=]
snprintf(bgx_sel, 5, "BGX%d", bgx->bgx_id);
^~
drivers/net/ethernet/cavium/thunder/thunder_bgx.c:1434:23: note:
directive argument in the range [0, 255]
snprintf(bgx_sel, 5, "BGX%d", bgx->bgx_id);
^~~~~~~
drivers/net/ethernet/cavium/thunder/thunder_bgx.c:1434:2: note:
‘snprintf’ output between 5 and 7 bytes into a destination of size 5
snprintf(bgx_sel, 5, "BGX%d", bgx->bgx_id);
compiler warning due to insufficient snprintf buffer size.
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250711140532.2463602-1-alok.a.tiwari@oracle.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Wei Fang says:
====================
net: fec: add some optimizations
Add some optimizations to the fec driver, see each patch for details.
v1: https://lore.kernel.org/20250710090902.1171180-1-wei.fang@nxp.com
====================
Link: https://patch.msgid.link/20250711091639.1374411-1-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In the current driver, the MAC address is set in both fec_restart() and
fec_set_mac_address(), so a generic helper function fec_set_hw_mac_addr()
is added to set the hardware MAC address to make the code more compact.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250711091639.1374411-4-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There are also some RCR bits that are not defined but are used by the
driver, so add macro definitions for these bits to improve readability
and maintainability.
In addition, although FEC_RCR_HALFDPX has been defined, it is not used
in the driver. According to the description of FEC_RCR[1] in RM, it is
used to disable receive on transmit. Therefore, it is more appropriate
to redefine FEC_RCR[1] as FEC_RCR_DRT.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20250711091639.1374411-3-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use the generic helper function phy_interface_mode_is_rgmii() to check
RGMII mode.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20250711091639.1374411-2-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This is a follow-up for commit eb1ac9ff6c4a5 ("ipv6: anycast: Don't
hold RTNL for IPV6_JOIN_ANYCAST.").
We should not add a new device lookup API without netdevice_tracker.
Let's pass netdevice_tracker to dev_get_by_flags_rcu() and rename it
with netdev_ prefix to match other newer APIs.
Note that we always use GFP_ATOMIC for netdev_hold() as it's expected
to be called under RCU.
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/netdev/20250708184053.102109f6@kernel.org/
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250711051120.2866855-1-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The Renesas RZ/G3E SMARC EVK uses KSZ9131RNXC phy. On deep power state,
PHY loses the power and on wakeup the rgmii delays are not reconfigured
causing it to fail.
Replace the callback kszphy_resume()->ksz9131_resume() for reconfiguring
the rgmii_delay when it exits from PM suspend state.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250711054029.48536-1-biju.das.jz@bp.renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We default to raising an exception when unknown attrs are found
to make sure those are noticed during development.
When YNL CLI is "installed" and used by sysadmins erroring out
is not going to be helpful. It's far more likely the user space
is older than the kernel in that case, than that some attr is
misdefined or missing.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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'struct regmap_config' are not modified in these drivers. They be
statically defined instead of allocated and populated at run-time.
The main benefits are:
- it saves some memory at runtime
- the structures can be declared as 'const', which is always better for
structures that hold some function pointers
- the code is less verbose
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend the process_unknown handing to enum values and flags.
Tested by removing entries from rt-link.yaml and rt-neigh.yaml:
./tools/net/ynl/pyynl/cli.py --family rt-link --dump getlink \
--process-unknown --output-json | jq '.[0] | ."ifi-flags"'
[
"up",
"Unknown(6)",
"loopback",
"Unknown(16)"
]
./tools/net/ynl/pyynl/cli.py --family rt-neigh --dump getneigh \
--process-unknown --output-json | jq '.[] | ."ndm-type"'
"unicast"
"Unknown(5)"
"Unknown(5)"
"unicast"
"Unknown(5)"
"unicast"
"broadcast"
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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