We have still a comple of regressions open due to the recent
drivers locking refactor. The patches are in-flight, but not
ready yet.
Current release - regressions:
- core: lock netdevices during dev_shutdown
- sch_htb: make htb_deactivate() idempotent
- eth: virtio-net: don't re-enable refill work too early
Current release - new code bugs:
- eth: icssg-prueth: fix kernel panic during concurrent Tx queue access
Previous releases - regressions:
- gre: fix again IPv6 link-local address generation.
- eth: b53: fix learning on VLAN unaware bridges
Previous releases - always broken:
- wifi: fix out-of-bounds access during multi-link element defragmentation
- can:
- initialize spin lock on device probe
- fix order of unregistration calls
- openvswitch: fix unsafe attribute parsing in output_userspace()
- eth: virtio-net: fix total qstat values
- eth: mtk_eth_soc: reset all TX queues on DMA free
- eth: fbnic: firmware IPC mailbox fixes
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from CAN, WiFi and netfilter.
We have still a comple of regressions open due to the recent
drivers locking refactor. The patches are in-flight, but not
ready yet.
Current release - regressions:
- core: lock netdevices during dev_shutdown
- sch_htb: make htb_deactivate() idempotent
- eth: virtio-net: don't re-enable refill work too early
Current release - new code bugs:
- eth: icssg-prueth: fix kernel panic during concurrent Tx queue
access
Previous releases - regressions:
- gre: fix again IPv6 link-local address generation.
- eth: b53: fix learning on VLAN unaware bridges
Previous releases - always broken:
- wifi: fix out-of-bounds access during multi-link element
defragmentation
- can:
- initialize spin lock on device probe
- fix order of unregistration calls
- openvswitch: fix unsafe attribute parsing in output_userspace()
- eth:
- virtio-net: fix total qstat values
- mtk_eth_soc: reset all TX queues on DMA free
- fbnic: firmware IPC mailbox fixes"
* tag 'net-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (55 commits)
virtio-net: fix total qstat values
net: export a helper for adding up queue stats
fbnic: Do not allow mailbox to toggle to ready outside fbnic_mbx_poll_tx_ready
fbnic: Pull fbnic_fw_xmit_cap_msg use out of interrupt context
fbnic: Improve responsiveness of fbnic_mbx_poll_tx_ready
fbnic: Cleanup handling of completions
fbnic: Actually flush_tx instead of stalling out
fbnic: Add additional handling of IRQs
fbnic: Gate AXI read/write enabling on FW mailbox
fbnic: Fix initialization of mailbox descriptor rings
net: dsa: b53: do not set learning and unicast/multicast on up
net: dsa: b53: fix learning on VLAN unaware bridges
net: dsa: b53: fix toggling vlan_filtering
net: dsa: b53: do not program vlans when vlan filtering is off
net: dsa: b53: do not allow to configure VLAN 0
net: dsa: b53: always rejoin default untagged VLAN on bridge leave
net: dsa: b53: fix VLAN ID for untagged vlan on bridge leave
net: dsa: b53: fix flushing old pvid VLAN on pvid change
net: dsa: b53: fix clearing PVID of a port
net: dsa: b53: keep CPU port always tagged again
...
While we reshuffle the presence members, move the counts as well.
Previously array count members would have been place directly in
the struct, so:
struct family_op_req {
struct {
u32 a:1;
u32 b:1;
} _present;
struct {
u32 bin;
} _len;
u32 a;
u64 b;
const unsigned char *bin;
u32 n_multi; << count
u32 *multi; << objects
};
Since len has been moved to its own presence struct move the count
as well:
struct family_op_req {
struct {
u32 a:1;
u32 b:1;
} _present;
struct {
u32 bin;
} _len;
struct {
u32 multi; << count
} _count;
u32 a;
u64 b;
const unsigned char *bin;
u32 *multi; << objects
};
This improves the consistency and allows us to remove some hacks
in the codegen. Unlike for len there is no known name collision
with the existing scheme.
Link: https://patch.msgid.link/20250505165208.248049-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Each YNL struct contains the data and a sub-struct indicating which
fields are valid. Something like:
struct family_op_req {
struct {
u32 a:1;
u32 b:1;
u32 bin_len;
} _present;
u32 a;
u64 b;
const unsigned char *bin;
};
Note that the bin object 'bin' has a length stored, and that length
has a _len suffix added to the field name. This breaks if there
is a explicit field called bin_len, which is the case for some
TC actions. Move the length fields out of the _present struct,
create a new struct called _len:
struct family_op_req {
struct {
u32 a:1;
u32 b:1;
} _present;
struct {
u32 bin;
} _len;
u32 a;
u64 b;
const unsigned char *bin;
};
This should prevent name collisions and help with the packing
of the struct.
Unfortunately this is a breaking change, but hopefully the migration
isn't too painful.
Link: https://patch.msgid.link/20250505165208.248049-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Internal change to the code gen. Rename how we indicate a type
has a single bit presence from using a 'bit' string to 'present'.
This is a noop in terms of generated code but will make next
breaking change easier.
Reviewed-by: David Wei <dw@davidwei.uk>
Link: https://patch.msgid.link/20250505165208.248049-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When switching network namespaces with the bpf_redirect_peer helper, the
skb->mark and skb->tstamp fields are not zeroed out like they can be on
a typical netns switch. This patch clarifies that in the helper
description.
Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/ccc86af26d43c5c0b776bcba2601b7479c0d46d0.1746460653.git.paul.chaignon@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
in case the enum has holes, instead of hard stop, generate a validation
callback to check valid enum values.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Link: https://patch.msgid.link/20250505114513.53370-2-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix ethtool syntax for setting ntuple rule into rss. It should be
`context' instead of `action'.
Signed-off-by: David Wei <dw@davidwei.uk>
Link: https://patch.msgid.link/20250503043007.857215-1-dw@davidwei.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'nf-next-25-05-06' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
The following patchset contains Netfilter updates for net-next:
1) Apparently, nf_conntrack_bridge changes the way in which fragments
are handled, dealing to packet drop. From Huajian Yang.
2) Add a selftest to stress the conntrack subsystem, from Florian Westphal.
3) nft_quota depletion is off-by-one byte, Zhongqiu Duan.
4) Rewrites the procfs to read the conntrack table to speed it up,
from Florian Westphal.
5) Two patches to prevent overflow in nft_pipapo lookup table and to
clamp the maximum bucket size.
6) Update nft_fib selftest to check for loopback packet bypass.
From Florian Westphal.
netfilter pull request 25-05-06
* tag 'nf-next-25-05-06' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
selftests: netfilter: nft_fib.sh: check lo packets bypass fib lookup
netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX
netfilter: nft_set_pipapo: prevent overflow in lookup table allocation
netfilter: nf_conntrack: speed up reads from nf_conntrack proc file
netfilter: nft_quota: match correctly when the quota just depleted
selftests: netfilter: add conntrack stress test
netfilter: bridge: Move specific fragmented packet to slow_path instead of dropping it
====================
Link: https://patch.msgid.link/20250505234151.228057-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
ksft runner sends 2 SIGTERMs in a row if a test runs out of time.
Handle this in a similar way we handle SIGINT - cleanup and stop
running further tests.
Because we get 2 signals we need a bit of logic to ignore
the subsequent one, they come immediately one after the other
(due to commit 9616cb34b0 ("kselftest/runner.sh: Propagate SIGTERM
to runner child")).
This change makes sure we run cleanup (scheduled defer()s)
and also print a stack trace on SIGTERM, which doesn't happen
by default. Tests occasionally hang in NIPA and it's impossible
to tell what they are waiting from or doing.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250503011856.46308-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Strings from the kernel are guaranteed to be null terminated and
ynl_attr_validate() checks for this. But it doesn't check if the string
has a len of 0, which would cause problems when trying to access
data[len - 1]. Fix this by checking that len is positive.
Signed-off-by: David Wei <dw@davidwei.uk>
Link: https://patch.msgid.link/20250503043050.861238-1-dw@davidwei.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, the test result does not differentiate between the cases when
either one of the address families are configured or if both the address
families are configured. Ideally, the result should report if a
particular case was skipped.
./drivers/net/ping.py
TAP version 13
1..7
ok 1 ping.test_default_v4 # SKIP Test requires IPv4 connectivity
ok 2 ping.test_default_v6
ok 3 ping.test_xdp_generic_sb
ok 4 ping.test_xdp_generic_mb
ok 5 ping.test_xdp_native_sb
ok 6 ping.test_xdp_native_mb
ok 7 ping.test_xdp_offload # SKIP device does not support offloaded XDP
Totals: pass:5 fail:0 xfail:0 xpass:0 skip:2 error:0
Fixes: 75cc19c8ff ("selftests: drv-net: add xdp cases for ping.py")
Signed-off-by: Mohsin Bashir <mohsin.bashr@gmail.com>
Reviewed-by: David Wei <dw@davidwei.uk>
Link: https://patch.msgid.link/20250503013518.1722913-4-mohsin.bashr@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
On a system with either of the ipv4 or ipv6 information missing, tests
are currently skipped. Ideally, the test should run as long as at least
one address family is present. This patch make test run whenever
possible.
Before:
./drivers/net/ping.py
TAP version 13
1..6
ok 1 ping.test_default # SKIP Test requires IPv4 connectivity
ok 2 ping.test_xdp_generic_sb # SKIP Test requires IPv4 connectivity
ok 3 ping.test_xdp_generic_mb # SKIP Test requires IPv4 connectivity
ok 4 ping.test_xdp_native_sb # SKIP Test requires IPv4 connectivity
ok 5 ping.test_xdp_native_mb # SKIP Test requires IPv4 connectivity
ok 6 ping.test_xdp_offload # SKIP device does not support offloaded XDP
Totals: pass:0 fail:0 xfail:0 xpass:0 skip:6 error:0
After:
./drivers/net/ping.py
TAP version 13
1..6
ok 1 ping.test_default
ok 2 ping.test_xdp_generic_sb
ok 3 ping.test_xdp_generic_mb
ok 4 ping.test_xdp_native_sb
ok 5 ping.test_xdp_native_mb
ok 6 ping.test_xdp_offload # SKIP device does not support offloaded XDP
Totals: pass:5 fail:0 xfail:0 xpass:0 skip:1 error:0
Fixes: 75cc19c8ff ("selftests: drv-net: add xdp cases for ping.py")
Signed-off-by: Mohsin Bashir <mohsin.bashr@gmail.com>
Link: https://patch.msgid.link/20250503013518.1722913-3-mohsin.bashr@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The `get_interface_info` call has ip version hard-coded which leads to
failures on an IPV6 system. The NetDrvEnv class already gathers
information about remote interface, so instead of fixing the local
implementation switch to using cfg.remote_ifname.
Before:
./drivers/net/ping.py
Traceback (most recent call last):
File "/new_tests/./drivers/net/ping.py", line 217, in <module>
main()
File "/new_tests/./drivers/net/ping.py", line 204, in main
get_interface_info(cfg)
File "/new_tests/./drivers/net/ping.py", line 128, in get_interface_info
raise KsftFailEx('Can not get remote interface')
net.lib.py.ksft.KsftFailEx: Can not get remote interface
After:
./drivers/net/ping.py
TAP version 13
1..6
ok 1 ping.test_default # SKIP Test requires IPv4 connectivity
ok 2 ping.test_xdp_generic_sb # SKIP Test requires IPv4 connectivity
ok 3 ping.test_xdp_generic_mb # SKIP Test requires IPv4 connectivity
ok 4 ping.test_xdp_native_sb # SKIP Test requires IPv4 connectivity
ok 5 ping.test_xdp_native_mb # SKIP Test requires IPv4 connectivity
ok 6 ping.test_xdp_offload # SKIP device does not support offloaded XDP
Totals: pass:0 fail:0 xfail:0 xpass:0 skip:6 error:0
Fixes: 75cc19c8ff ("selftests: drv-net: add xdp cases for ping.py")
Signed-off-by: Mohsin Bashir <mohsin.bashr@gmail.com>
Reviewed-by: David Wei <dw@davidwei.uk>
Link: https://patch.msgid.link/20250503013518.1722913-2-mohsin.bashr@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
GRE devices have their special code for IPv6 link-local address
generation that has been the source of several regressions in the past.
Add selftest to check that all gre, ip6gre, gretap and ip6gretap get an
IPv6 link-link local address in accordance with the
net.ipv6.conf.<dev>.addr_gen_mode sysctl.
Note: This patch was originally applied as commit 6f50175cca ("selftests:
Add IPv6 link-local address generation tests for GRE devices.").
However, it was then reverted by commit 355d940f4d ("Revert "selftests:
Add IPv6 link-local address generation tests for GRE devices."")
because the commit it depended on was going to be reverted. Now that
the situation is resolved, we can add this selftest again (no changes
since original patch, appart from context update in
tools/testing/selftests/net/Makefile).
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/2c3a5733cb3a6e3119504361a9b9f89fda570a2d.1746225214.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Clean up two build warnings:
[1]
iou-zcrx.c: In function ‘process_recvzc’:
iou-zcrx.c:263:37: warning: too many arguments for format [-Wformat-extra-args]
263 | error(1, 0, "payload mismatch at ", i);
| ^~~~~~~~~~~~~~~~~~~~~~
[2] Use "%zd" for ssize_t type as better
iou-zcrx.c: In function ‘run_client’:
iou-zcrx.c:357:47: warning: format ‘%d’ expects argument of type ‘int’, but argument 4 has type ‘ssize_t’ {aka ‘long int’} [-Wformat=]
357 | error(1, 0, "send(): %d", sent);
| ~^ ~~~~
| | |
| int ssize_t {aka long int}
| %ld
Signed-off-by: Haiyue Wang <haiyuewa@163.com>
Reviewed-by: David Wei <dw@davidwei.uk>
Link: https://patch.msgid.link/20250502175136.1122-1-haiyuewa@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch aims to add chk_dump_subflow in diag.sh. The subflow's
info can be obtained through "ss -tin", then use the 'mptcp_diag'
to verify the token in subflow_info.
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/524
Co-developed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Gang Yan <yangang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250502-net-next-mptcp-sft-inc-cover-v1-7-68eec95898fb@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch adds 'get_subflow_info' in 'mptcp_diag', which can check whether
a TCP connection is an MPTCP subflow based on the "INET_ULP_INFO_MPTCP"
with tcp_diag method.
The helper 'print_subflow_info' in 'mptcp_diag' can print the subflow_filed
of an MPTCP subflow for further checking the 'subflow_info' through
inet_diag method.
The example of the whole output should be:
$ ./mptcp_diag -s "127.0.0.1:10000 127.0.0.1:38984"
127.0.0.1:10000 -> 127.0.0.1:38984
It's a mptcp subflow, the subflow info:
flags:Mec token:0000(id:0)/4278e77e(id:0) seq:9288466187236176036 \
sfseq:1 ssnoff:2317083055 maplen:215
Co-developed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Gang Yan <yangang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250502-net-next-mptcp-sft-inc-cover-v1-6-68eec95898fb@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch introduces the '__u32 proto' variable to the 'send_query' and
'recv_nlmsg' functions for further extending function.
In the 'send_query' function, the inclusion of this variable makes the
structure clearer and more readable.
In the 'recv_nlmsg' function, the '__u32 proto' variable ensures that
the 'diag_info' field remains unmodified when processing IPPROTO_TCP data,
thereby preventing unintended transformation into 'mptcp_info' format.
While at it, increment iovlen directly when an item is added to simplify
this portion of the code and improve its readaility.
Co-developed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Gang Yan <yangang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250502-net-next-mptcp-sft-inc-cover-v1-5-68eec95898fb@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch use 'inet_diag_req_v2' instead of 'token' as parameters of
send_query, and construct the req in 'get_mptcpinfo'.
This modification enhances the clarity of the code, and prepare for the
dump_subflow_info.
Co-developed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Gang Yan <yangang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250502-net-next-mptcp-sft-inc-cover-v1-4-68eec95898fb@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch adds a struct named 'params' to save 'target_token' and other
future parameters. This structure facilitates future function expansions.
Co-developed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Gang Yan <yangang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250502-net-next-mptcp-sft-inc-cover-v1-3-68eec95898fb@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
getaddrinfo MPTCP is recently supported in glibc and IPPROTO_MPTCP for
getaddrinfo is used in mptcp_connect.c. But in mptcp_sockopt.c and
mptcp_inq.c, IPPROTO_TCP are still used for getaddrinfo, So this patch
updates them.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250502-net-next-mptcp-sft-inc-cover-v1-2-68eec95898fb@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
mptcp_lib_get_info_value() will only print the first entry that match
the filter because of the ';q' at the end. As a consequence, the 'sed'
command could finish before the previous 'grep' one and print a 'write
error' warning because it is trying to write data to the closed pipe.
Such warnings are not interesting, they can be hidden by muting stderr
here for grep.
While at it, clearly indicate that mptcp_lib_get_info_value() will only
print the first matched entry to avoid confusions later on.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250502-net-next-mptcp-sft-inc-cover-v1-1-68eec95898fb@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Integrate the reproducer from Alan into TC selftests and use scapy to
generate TCP traffic instead of relying on ping command.
Cc: Alan J. Wylie <alan@wylie.me.uk>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Link: https://patch.msgid.link/20250428232955.1740419-3-xiyou.wangcong@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Martin KaFai Lau says:
====================
pull-request: bpf-next 2025-05-02
We've added 14 non-merge commits during the last 10 day(s) which contain
a total of 13 files changed, 740 insertions(+), 121 deletions(-).
The main changes are:
1) Avoid skipping or repeating a sk when using a UDP bpf_iter,
from Jordan Rife.
2) Fixed a crash when a bpf qdisc is set in
the net.core.default_qdisc, from Amery Hung.
3) A few other fixes in the bpf qdisc, from Amery Hung.
- Always call qdisc_watchdog_init() in the .init prologue such that
the .reset/.destroy epilogue can always call qdisc_watchdog_cancel()
without issue.
- bpf_qdisc_init_prologue() was incorrectly returning an error
when the bpf qdisc is set as the default_qdisc and the mq is creating
the default_qdisc. It is now fixed.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next:
selftests/bpf: Cleanup bpf qdisc selftests
selftests/bpf: Test attaching a bpf qdisc with incomplete operators
bpf: net_sched: Make some Qdisc_ops ops mandatory
selftests/bpf: Test setting and creating bpf qdisc as default qdisc
bpf: net_sched: Fix bpf qdisc init prologue when set as default qdisc
selftests/bpf: Add tests for bucket resume logic in UDP socket iterators
selftests/bpf: Return socket cookies from sock_iter_batch progs
bpf: udp: Avoid socket skips and repeats during iteration
bpf: udp: Use bpf_udp_iter_batch_item for bpf_udp_iter_state batch items
bpf: udp: Get rid of st_bucket_done
bpf: udp: Make sure iter->batch always contains a full bucket snapshot
bpf: udp: Make mem flags configurable through bpf_iter_udp_realloc_batch
bpf: net_sched: Fix using bpf qdisc as default qdisc
selftests/bpf: Fix compilation errors
====================
Link: https://patch.msgid.link/20250503010755.4030524-1-martin.lau@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a new test case to check:
- conntrack_max limit is effective
- conntrack_max limit cannot be exceeded from within a netns
- resizing the hash table while packets are inflight works
- removal of all conntrack rules disables conntrack in netns
- conntrack tool dump (conntrack -L) returns expected number
of (unique) entries
- procfs interface - if available - has same number of entries
as conntrack -L dump
Expected output with selftest framework:
selftests: net/netfilter: conntrack_resize.sh
PASS: got 1 connections: netns conntrack_max is pernet bound
PASS: got 100 connections: netns conntrack_max is init_net bound
PASS: dump in netns had same entry count (-C 1778, -L 1778, -p 1778, /proc 0)
PASS: dump in netns had same entry count (-C 2000, -L 2000, -p 2000, /proc 0)
PASS: test parallel conntrack dumps
PASS: resize+flood
PASS: got 0 connections: conntrack disabled
PASS: got 1 connections: conntrack enabled
ok 1 selftests: net/netfilter: conntrack_resize.sh
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Just a couple of build fixes on ARM64.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-fixes-for-v6.15-2025-05-04' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Namhyung Kim:
"Just a couple of build fixes on arm64"
* tag 'perf-tools-fixes-for-v6.15-2025-05-04' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
perf tools: Fix in-source libperf build
perf tools: Fix arm64 build by generating unistd_64.h
A bunch of small fixes. Mostly driver specific.
- An OOB access fix in core UMP rawmidi conversion code
- Fix for ASoC DAPM hw_params widget sequence
- Make retry of usb_set_interface() errors for flaky devices
- Fix redundant USB MIDI name strings
- Quirks for various HP and ASUS models with HD-audio, and
Jabra Evolve 65 USB-audio
- Cirrus Kunit test fixes
- Various fixes for ASoC Intel, stm32, renesas, imx-card, and
simple-card
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Merge tag 'sound-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A bunch of small fixes. Mostly driver specific.
- An OOB access fix in core UMP rawmidi conversion code
- Fix for ASoC DAPM hw_params widget sequence
- Make retry of usb_set_interface() errors for flaky devices
- Fix redundant USB MIDI name strings
- Quirks for various HP and ASUS models with HD-audio, and
Jabra Evolve 65 USB-audio
- Cirrus Kunit test fixes
- Various fixes for ASoC Intel, stm32, renesas, imx-card, and
simple-card"
* tag 'sound-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (30 commits)
ASoC: amd: ps: fix for irq handler return status
ASoC: simple-card-utils: Fix pointer check in graph_util_parse_link_direction
ASoC: intel/sdw_utils: Add volume limit to cs35l56 speakers
ASoC: intel/sdw_utils: Add volume limit to cs42l43 speakers
ASoC: stm32: sai: add a check on minimal kernel frequency
ASoC: stm32: sai: skip useless iterations on kernel rate loop
ALSA: hda/realtek - Add more HP laptops which need mute led fixup
ALSA: hda/realtek: Fix built-mic regression on other ASUS models
ASoC: Intel: catpt: avoid type mismatch in dev_dbg() format
ALSA: usb-audio: Fix duplicated name in MIDI substream names
ALSA: ump: Fix buffer overflow at UMP SysEx message conversion
ALSA: usb-audio: Add second USB ID for Jabra Evolve 65 headset
ALSA: hda/realtek: Add quirk for HP Spectre x360 15-df1xxx
ALSA: hda: Apply volume control on speaker+lineout for HP EliteStudio AIO
ASoC: Intel: bytcr_rt5640: Add DMI quirk for Acer Aspire SW3-013
ASoC: amd: acp: Fix devm_snd_soc_register_card(acp-pdm-mach) failure
ASoC: amd: acp: Fix NULL pointer deref in acp_i2s_set_tdm_slot
ASoC: amd: acp: Fix NULL pointer deref on acp resume path
ASoC: renesas: rz-ssi: Use NOIRQ_SYSTEM_SLEEP_PM_OPS()
ASoC: soc-acpi-intel-ptl-match: add empty item to ptl_cs42l43_l3[]
...
Some cleanups:
- Remove unnecessary kfuncs declaration
- Use _ns in the test name to run tests in a separate net namespace
- Call skeleton __attach() instead of bpf_map__attach_struct_ops() to
simplify tests.
Signed-off-by: Amery Hung <ameryhung@gmail.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Implement .destroy in bpf_fq and bpf_fifo as it is now mandatory.
Test attaching a bpf qdisc with a missing operator .init. This is not
allowed as bpf qdisc qdisc_watchdog_cancel() could have been called with
an uninitialized timer.
Signed-off-by: Amery Hung <ameryhung@gmail.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
First, test that bpf qdisc can be set as default qdisc. Then, attach
an mq qdisc to see if bpf qdisc can be successfully created and grafted.
The test is a sequential test as net.core.default_qdisc is global.
Signed-off-by: Amery Hung <ameryhung@gmail.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Introduce a set of tests that exercise various bucket resume scenarios:
* remove_seen resumes iteration after removing a socket from the bucket
that we've already processed. Before, with the offset-based approach,
this test would have skipped an unseen socket after resuming
iteration. With the cookie-based approach, we now see all sockets
exactly once.
* remove_unseen exercises the condition where the next socket that we
would have seen is removed from the bucket before we resume iteration.
This tests the scenario where we need to scan past the first cookie in
our remembered cookies list to find the socket from which to resume
iteration.
* remove_all exercises the condition where all sockets we remembered
were removed from the bucket to make sure iteration terminates and
returns no more results.
* add_some exercises the condition where a few, but not enough to
trigger a realloc, sockets are added to the head of the current bucket
between reads. Before, with the offset-based approach, this test would
have repeated sockets we've already seen. With the cookie-based
approach, we now see all sockets exactly once.
* force_realloc exercises the condition that we need to realloc the
batch on a subsequent read, since more sockets than can be held in the
current batch array were added to the current bucket. This exercies
the logic inside bpf_iter_udp_realloc_batch that copies cookies into
the new batch to make sure nothing is skipped or repeated.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Extend the iter_udp_soreuse and iter_tcp_soreuse programs to write the
cookie of the current socket, so that we can track the identity of the
sockets that the iterator has seen so far. Update the existing do_test
function to account for this change to the iterator program output. At
the same time, teach both programs to work with AF_INET as well.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
rtnetlink has variety of ops with different fixed headers.
Detect that op fixed header is not the same as family one,
and use sizeof() directly. For reverse parsing we need to
pass the fixed header len along the policy (in the socket
state).
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250429154704.2613851-13-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
rt-link has a vlan-protocols enum with:
name: 8021q value: 33024
name: 8021ad value: 34984
It's nice to have, since it converts the values to strings in Python.
For C, however, the codegen is trying to use enums to generate strict
policy checks. Parsing such sparse enums is not possible via policies.
Since for classic netlink we don't support kernel codegen and policy
generation - skip the auto-generation of checks from enums.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250429154704.2613851-12-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
IPv6 addresses are expressed as binary arrays since we don't have u128.
Since they are not variable length, however, they are relatively
easy to represent as an array of known size.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250429154704.2613851-11-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
C codegen supports ArrayNest AKA indexed-array carrying scalars,
but only for the netlink -> struct parsing. Support rendering
from struct to netlink.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250429154704.2613851-10-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Binary types with struct are fixed size, relatively easy to
handle for multi attr. Declare the member as a pointer.
Count the members, allocate an array, copy in the data.
Allow the netlink attr to be smaller or larger than our view
of the struct in case the build headers are newer or older
than the running kernel.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250429154704.2613851-9-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Add support for multi attr strings (needed for link alt_names).
We record the length individual strings in a len member, to do
the same for multi-attr create a struct ynl_string in ynl.h
and use it as a layer holding both the string and its length.
Since strings may be arbitrary length dynamically allocate each
individual one.
Adjust arg_member and struct member to avoid spacing the double
pointers to get "type **name;" rather than "type * *name;"
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250429154704.2613851-8-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Allow CRUD-style notification where the notification is more
like the response to the request, which can optionally be
looped back onto the requesting socket. Since the notification
and request are different ops in the spec, for example:
-
name: delrule
doc: Remove an existing FIB rule
attribute-set: fib-rule-attrs
do:
request:
value: 33
attributes: *fib-rule-all
-
name: delrule-ntf
doc: Notify a rule deletion
value: 33
notify: getrule
We need to find the request by ID. Ideally we'd detect this model
from the spec properties, rather than assume that its what all
classic netlink families do. But maybe that'd cause this model
to spread and its easy to get wrong. For now assume CRUD == classic.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250429154704.2613851-7-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Classic Netlink has GET callbacks with no doit support, just dumps.
Support using their responses in notifications. If notification points
at a type which only has a dump - use the dump's type.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250429154704.2613851-6-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Classic netlink makes extensive use of flags. Support specifying
them the same way as attributes are specified (using a helper),
for example:
rt_link_newlink_req_set_nlflags(req, NLM_F_CREATE | NLM_F_ECHO);
Wrap the code up in a RenderInfo predicate. I think that some
genetlink families may want this, too. It should be easy to
add a spec property later.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250429154704.2613851-5-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The C codegen refers to op attribute lists all over the place,
without checking if they are present, even tho attribute list
is technically an optional property. Add them automatically
at init if missing so that we don't have to make specs longer.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250429154704.2613851-4-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Instead of walking the entries in the code gen add a method
for the struct class to return if any of the members need
an iterator.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250429154704.2613851-3-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The dict stores struct objects (of class Struct), not just
a trivial set with directions.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250429154704.2613851-2-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Ensure the following prerequisites before executing the test:
1. 'socat' is installed on the remote host.
2. Python version supports socket.SO_INCOMING_CPU (available since v3.11).
Skip the test if either prerequisite is not met.
Reviewed-by: Nimrod Oren <noren@nvidia.com>
Signed-off-by: Gal Pressman <gal@nvidia.com>
Link: https://patch.msgid.link/20250430054801.750646-1-gal@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Things have calmed down on our end (knock on wood), no outstanding
investigations. Including fixes from Bluetooth and WiFi.
Current release - fix to a fix:
- igc: fix lock order in igc_ptp_reset
Current release - new code bugs:
- Revert "wifi: iwlwifi: make no_160 more generic", fixes regression
to Killer line of devices reported by a number of people
- Revert "wifi: iwlwifi: add support for BE213", initial FW is too buggy
- number of fixes for mld, the new Intel WiFi subdriver
Previous releases - regressions:
- wifi: mac80211: restore monitor for outgoing frames
- drv: vmxnet3: fix malformed packet sizing in vmxnet3_process_xdp
- eth: bnxt_en: fix timestamping FIFO getting out of sync on reset,
delivering stale timestamps
- use sock_gen_put() in the TCP fraglist GRO heuristic, don't assume
every socket is a full socket
Previous releases - always broken:
- sched: adapt qdiscs for reentrant enqueue cases, fix list corruptions
- xsk: fix race condition in AF_XDP generic RX path, shared UMEM
can't be protected by a per-socket lock
- eth: mtk-star-emac: fix spinlock recursion issues on rx/tx poll
- btusb: avoid NULL pointer dereference in skb_dequeue()
- dsa: felix: fix broken taprio gate states after clock jump
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Happy May Day.
Things have calmed down on our end (knock on wood), no outstanding
investigations. Including fixes from Bluetooth and WiFi.
Current release - fix to a fix:
- igc: fix lock order in igc_ptp_reset
Current release - new code bugs:
- Revert "wifi: iwlwifi: make no_160 more generic", fixes regression
to Killer line of devices reported by a number of people
- Revert "wifi: iwlwifi: add support for BE213", initial FW is too
buggy
- number of fixes for mld, the new Intel WiFi subdriver
Previous releases - regressions:
- wifi: mac80211: restore monitor for outgoing frames
- drv: vmxnet3: fix malformed packet sizing in vmxnet3_process_xdp
- eth: bnxt_en: fix timestamping FIFO getting out of sync on reset,
delivering stale timestamps
- use sock_gen_put() in the TCP fraglist GRO heuristic, don't assume
every socket is a full socket
Previous releases - always broken:
- sched: adapt qdiscs for reentrant enqueue cases, fix list
corruptions
- xsk: fix race condition in AF_XDP generic RX path, shared UMEM
can't be protected by a per-socket lock
- eth: mtk-star-emac: fix spinlock recursion issues on rx/tx poll
- btusb: avoid NULL pointer dereference in skb_dequeue()
- dsa: felix: fix broken taprio gate states after clock jump"
* tag 'net-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (83 commits)
net: vertexcom: mse102x: Fix RX error handling
net: vertexcom: mse102x: Add range check for CMD_RTS
net: vertexcom: mse102x: Fix LEN_MASK
net: vertexcom: mse102x: Fix possible stuck of SPI interrupt
net: hns3: defer calling ptp_clock_register()
net: hns3: fixed debugfs tm_qset size
net: hns3: fix an interrupt residual problem
net: hns3: store rx VLAN tag offload state for VF
octeon_ep: Fix host hang issue during device reboot
net: fec: ERR007885 Workaround for conventional TX
net: lan743x: Fix memleak issue when GSO enabled
ptp: ocp: Fix NULL dereference in Adva board SMA sysfs operations
net: use sock_gen_put() when sk_state is TCP_TIME_WAIT
bnxt_en: fix module unload sequence
bnxt_en: Fix ethtool -d byte order for 32-bit values
bnxt_en: Fix out-of-bound memcpy() during ethtool -w
bnxt_en: Fix coredump logic to free allocated buffer
bnxt_en: delay pci_alloc_irq_vectors() in the AER path
bnxt_en: call pci_alloc_irq_vectors() after bnxt_reserve_rings()
bnxt_en: Add missing skb_mark_for_recycle() in bnxt_rx_vlan()
...
