mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-09-04 20:19:47 +08:00
9cb1547891
18309 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Luiz Augusto von Dentz
|
024421cf39 |
Bluetooth: hci_conn: Fix not setting timeout for BIG Create Sync
BIG Create Sync requires the command to just generates a status so this
makes use of __hci_cmd_sync_status_sk to wait for
HCI_EVT_LE_BIG_SYNC_ESTABLISHED, also because of this chance it is not
longer necessary to use a custom method to serialize the process of
creating the BIG sync since the cmd_work_sync itself ensures only one
command would be pending which now awaits for
HCI_EVT_LE_BIG_SYNC_ESTABLISHED before proceeding to next connection.
Fixes:
|
||
|
Luiz Augusto von Dentz
|
6d0417e4e1 |
Bluetooth: hci_conn: Fix not setting conn_timeout for Broadcast Receiver
Broadcast Receiver requires creating PA sync but the command just
generates a status so this makes use of __hci_cmd_sync_status_sk to wait
for HCI_EV_LE_PA_SYNC_ESTABLISHED, also because of this chance it is not
longer necessary to use a custom method to serialize the process of
creating the PA sync since the cmd_work_sync itself ensures only one
command would be pending which now awaits for
HCI_EV_LE_PA_SYNC_ESTABLISHED before proceeding to next connection.
Fixes:
|
||
|
e.kubanski
|
bf20af0790 |
xsk: Fix offset calculation in unaligned mode
Bring back previous offset calculation behaviour
in AF_XDP unaligned umem mode.
In unaligned mode, upper 16 bits should contain
data offset, lower 48 bits should contain
only specific chunk location without offset.
Remove pool->headroom duplication into 48bit address.
Signed-off-by: Eryk Kubanski <e.kubanski@partner.samsung.com>
Fixes:
|
||
|
e.kubanski
|
a1356ac774 |
xsk: Fix race condition in AF_XDP generic RX path
Move rx_lock from xsk_socket to xsk_buff_pool.
Fix synchronization for shared umem mode in
generic RX path where multiple sockets share
single xsk_buff_pool.
RX queue is exclusive to xsk_socket, while FILL
queue can be shared between multiple sockets.
This could result in race condition where two
CPU cores access RX path of two different sockets
sharing the same umem.
Protect both queues by acquiring spinlock in shared
xsk_buff_pool.
Lock contention may be minimized in the future by some
per-thread FQ buffering.
It's safe and necessary to move spin_lock_bh(rx_lock)
after xsk_rcv_check():
* xs->pool and spinlock_init is synchronized by
xsk_bind() -> xsk_is_bound() memory barriers.
* xsk_rcv_check() may return true at the moment
of xsk_release() or xsk_unbind_dev(),
however this will not cause any data races or
race conditions. xsk_unbind_dev() removes xdp
socket from all maps and waits for completion
of all outstanding rx operations. Packets in
RX path will either complete safely or drop.
Signed-off-by: Eryk Kubanski <e.kubanski@partner.samsung.com>
Fixes:
|
||
|
Ido Schimmel
|
2d300ce0b7 |
net: fib_rules: Fix iif / oif matching on L3 master device
Before commit |
||
|
Linus Torvalds
|
ab59a86056 |
Including fixes from netfilter.
Current release - regressions:
- core: hold instance lock during NETDEV_CHANGE
- rtnetlink: fix bad unlock balance in do_setlink().
- ipv6:
- fix null-ptr-deref in addrconf_add_ifaddr().
- align behavior across nexthops during path selection
Previous releases - regressions:
- sctp: prevent transport UaF in sendmsg
- mptcp: only inc MPJoinAckHMacFailure for HMAC failures
Previous releases - always broken:
- sched:
- make ->qlen_notify() idempotent
- ensure sufficient space when sending filter netlink notifications
- sch_sfq: really don't allow 1 packet limit
- netfilter: fix incorrect avx2 match of 5th field octet
- tls: explicitly disallow disconnect
- eth: octeontx2-pf: fix VF root node parent queue priority
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter.
Current release - regressions:
- core: hold instance lock during NETDEV_CHANGE
- rtnetlink: fix bad unlock balance in do_setlink()
- ipv6:
- fix null-ptr-deref in addrconf_add_ifaddr()
- align behavior across nexthops during path selection
Previous releases - regressions:
- sctp: prevent transport UaF in sendmsg
- mptcp: only inc MPJoinAckHMacFailure for HMAC failures
Previous releases - always broken:
- sched:
- make ->qlen_notify() idempotent
- ensure sufficient space when sending filter netlink notifications
- sch_sfq: really don't allow 1 packet limit
- netfilter: fix incorrect avx2 match of 5th field octet
- tls: explicitly disallow disconnect
- eth: octeontx2-pf: fix VF root node parent queue priority"
* tag 'net-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (38 commits)
ethtool: cmis_cdb: Fix incorrect read / write length extension
selftests: netfilter: add test case for recent mismatch bug
nft_set_pipapo: fix incorrect avx2 match of 5th field octet
net: ppp: Add bound checking for skb data on ppp_sync_txmung
net: Fix null-ptr-deref by sock_lock_init_class_and_name() and rmmod.
ipv6: Align behavior across nexthops during path selection
net: phy: allow MDIO bus PM ops to start/stop state machine for phylink-controlled PHY
net: phy: move phy_link_change() prior to mdio_bus_phy_may_suspend()
selftests/tc-testing: sfq: check that a derived limit of 1 is rejected
net_sched: sch_sfq: move the limit validation
net_sched: sch_sfq: use a temporary work area for validating configuration
net: libwx: handle page_pool_dev_alloc_pages error
selftests: mptcp: validate MPJoin HMacFailure counters
mptcp: only inc MPJoinAckHMacFailure for HMAC failures
rtnetlink: Fix bad unlock balance in do_setlink().
net: ethtool: Don't call .cleanup_data when prepare_data fails
tc: Ensure we have enough buffer space when sending filter netlink notifications
net: libwx: Fix the wrong Rx descriptor field
octeontx2-pf: qos: fix VF root node parent queue index
selftests: tls: check that disconnect does nothing
...
|
||
|
Kuniyuki Iwashima
|
0bb2f7a1ad |
net: Fix null-ptr-deref by sock_lock_init_class_and_name() and rmmod.
When I ran the repro [0] and waited a few seconds, I observed two
LOCKDEP splats: a warning immediately followed by a null-ptr-deref. [1]
Reproduction Steps:
1) Mount CIFS
2) Add an iptables rule to drop incoming FIN packets for CIFS
3) Unmount CIFS
4) Unload the CIFS module
5) Remove the iptables rule
At step 3), the CIFS module calls sock_release() for the underlying
TCP socket, and it returns quickly. However, the socket remains in
FIN_WAIT_1 because incoming FIN packets are dropped.
At this point, the module's refcnt is 0 while the socket is still
alive, so the following rmmod command succeeds.
# ss -tan
State Recv-Q Send-Q Local Address:Port Peer Address:Port
FIN-WAIT-1 0 477 10.0.2.15:51062 10.0.0.137:445
# lsmod | grep cifs
cifs 1159168 0
This highlights a discrepancy between the lifetime of the CIFS module
and the underlying TCP socket. Even after CIFS calls sock_release()
and it returns, the TCP socket does not die immediately in order to
close the connection gracefully.
While this is generally fine, it causes an issue with LOCKDEP because
CIFS assigns a different lock class to the TCP socket's sk->sk_lock
using sock_lock_init_class_and_name().
Once an incoming packet is processed for the socket or a timer fires,
sk->sk_lock is acquired.
Then, LOCKDEP checks the lock context in check_wait_context(), where
hlock_class() is called to retrieve the lock class. However, since
the module has already been unloaded, hlock_class() logs a warning
and returns NULL, triggering the null-ptr-deref.
If LOCKDEP is enabled, we must ensure that a module calling
sock_lock_init_class_and_name() (CIFS, NFS, etc) cannot be unloaded
while such a socket is still alive to prevent this issue.
Let's hold the module reference in sock_lock_init_class_and_name()
and release it when the socket is freed in sk_prot_free().
Note that sock_lock_init() clears sk->sk_owner for svc_create_socket()
that calls sock_lock_init_class_and_name() for a listening socket,
which clones a socket by sk_clone_lock() without GFP_ZERO.
[0]:
CIFS_SERVER="10.0.0.137"
CIFS_PATH="//${CIFS_SERVER}/Users/Administrator/Desktop/CIFS_TEST"
DEV="enp0s3"
CRED="/root/WindowsCredential.txt"
MNT=$(mktemp -d /tmp/XXXXXX)
mount -t cifs ${CIFS_PATH} ${MNT} -o vers=3.0,credentials=${CRED},cache=none,echo_interval=1
iptables -A INPUT -s ${CIFS_SERVER} -j DROP
for i in $(seq 10);
do
umount ${MNT}
rmmod cifs
sleep 1
done
rm -r ${MNT}
iptables -D INPUT -s ${CIFS_SERVER} -j DROP
[1]:
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 10 PID: 0 at kernel/locking/lockdep.c:234 hlock_class (kernel/locking/lockdep.c:234 kernel/locking/lockdep.c:223)
Modules linked in: cifs_arc4 nls_ucs2_utils cifs_md4 [last unloaded: cifs]
CPU: 10 UID: 0 PID: 0 Comm: swapper/10 Not tainted 6.14.0 #36
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
RIP: 0010:hlock_class (kernel/locking/lockdep.c:234 kernel/locking/lockdep.c:223)
...
Call Trace:
<IRQ>
__lock_acquire (kernel/locking/lockdep.c:4853 kernel/locking/lockdep.c:5178)
lock_acquire (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853 kernel/locking/lockdep.c:5816)
_raw_spin_lock_nested (kernel/locking/spinlock.c:379)
tcp_v4_rcv (./include/linux/skbuff.h:1678 ./include/net/tcp.h:2547 net/ipv4/tcp_ipv4.c:2350)
...
BUG: kernel NULL pointer dereference, address: 00000000000000c4
PF: supervisor read access in kernel mode
PF: error_code(0x0000) - not-present page
PGD 0
Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 10 UID: 0 PID: 0 Comm: swapper/10 Tainted: G W 6.14.0 #36
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
RIP: 0010:__lock_acquire (kernel/locking/lockdep.c:4852 kernel/locking/lockdep.c:5178)
Code: 15 41 09 c7 41 8b 44 24 20 25 ff 1f 00 00 41 09 c7 8b 84 24 a0 00 00 00 45 89 7c 24 20 41 89 44 24 24 e8 e1 bc ff ff 4c 89 e7 <44> 0f b6 b8 c4 00 00 00 e8 d1 bc ff ff 0f b6 80 c5 00 00 00 88 44
RSP: 0018:ffa0000000468a10 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ff1100010091cc38 RCX: 0000000000000027
RDX: ff1100081f09ca48 RSI: 0000000000000001 RDI: ff1100010091cc88
RBP: ff1100010091c200 R08: ff1100083fe6e228 R09: 00000000ffffbfff
R10: ff1100081eca0000 R11: ff1100083fe10dc0 R12: ff1100010091cc88
R13: 0000000000000001 R14: 0000000000000000 R15: 00000000000424b1
FS: 0000000000000000(0000) GS:ff1100081f080000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000000c4 CR3: 0000000002c4a003 CR4: 0000000000771ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
<IRQ>
lock_acquire (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853 kernel/locking/lockdep.c:5816)
_raw_spin_lock_nested (kernel/locking/spinlock.c:379)
tcp_v4_rcv (./include/linux/skbuff.h:1678 ./include/net/tcp.h:2547 net/ipv4/tcp_ipv4.c:2350)
ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1))
ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
ip_sublist_rcv_finish (net/ipv4/ip_input.c:576)
ip_list_rcv_finish (net/ipv4/ip_input.c:628)
ip_list_rcv (net/ipv4/ip_input.c:670)
__netif_receive_skb_list_core (net/core/dev.c:5939 net/core/dev.c:5986)
netif_receive_skb_list_internal (net/core/dev.c:6040 net/core/dev.c:6129)
napi_complete_done (./include/linux/list.h:37 ./include/net/gro.h:519 ./include/net/gro.h:514 net/core/dev.c:6496)
e1000_clean (drivers/net/ethernet/intel/e1000/e1000_main.c:3815)
__napi_poll.constprop.0 (net/core/dev.c:7191)
net_rx_action (net/core/dev.c:7262 net/core/dev.c:7382)
handle_softirqs (kernel/softirq.c:561)
__irq_exit_rcu (kernel/softirq.c:596 kernel/softirq.c:435 kernel/softirq.c:662)
irq_exit_rcu (kernel/softirq.c:680)
common_interrupt (arch/x86/kernel/irq.c:280 (discriminator 14))
</IRQ>
<TASK>
asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693)
RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/kernel/process.c:744)
Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d c3 2b 15 00 fb f4 <fa> c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
RSP: 0018:ffa00000000ffee8 EFLAGS: 00000202
RAX: 000000000000640b RBX: ff1100010091c200 RCX: 0000000000061aa4
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812f30c5
RBP: 000000000000000a R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
? do_idle (kernel/sched/idle.c:186 kernel/sched/idle.c:325)
default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118)
do_idle (kernel/sched/idle.c:186 kernel/sched/idle.c:325)
cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1))
start_secondary (arch/x86/kernel/smpboot.c:315)
common_startup_64 (arch/x86/kernel/head_64.S:421)
</TASK>
Modules linked in: cifs_arc4 nls_ucs2_utils cifs_md4 [last unloaded: cifs]
CR2: 00000000000000c4
Fixes:
|
||
|
Ricardo Cañuelo Navarro
|
f1a69a940d |
sctp: detect and prevent references to a freed transport in sendmsg
sctp_sendmsg() re-uses associations and transports when possible by doing a lookup based on the socket endpoint and the message destination address, and then sctp_sendmsg_to_asoc() sets the selected transport in all the message chunks to be sent. There's a possible race condition if another thread triggers the removal of that selected transport, for instance, by explicitly unbinding an address with setsockopt(SCTP_SOCKOPT_BINDX_REM), after the chunks have been set up and before the message is sent. This can happen if the send buffer is full, during the period when the sender thread temporarily releases the socket lock in sctp_wait_for_sndbuf(). This causes the access to the transport data in sctp_outq_select_transport(), when the association outqueue is flushed, to result in a use-after-free read. This change avoids this scenario by having sctp_transport_free() signal the freeing of the transport, tagging it as "dead". In order to do this, the patch restores the "dead" bit in struct sctp_transport, which was removed in commit |
||
|
Thomas Gleixner
|
8fa7292fee |
treewide: Switch/rename to timer_delete[_sync]()
timer_delete[_sync]() replaces del_timer[_sync](). Convert the whole tree over and remove the historical wrapper inlines. Conversion was done with coccinelle plus manual fixups where necessary. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> |
||
|
Jakub Kicinski
|
ec304b70d4 |
net: move mp dev config validation to __net_mp_open_rxq()
devmem code performs a number of safety checks to avoid having
to reimplement all of them in the drivers. Move those to
__net_mp_open_rxq() and reuse that function for binding to make
sure that io_uring ZC also benefits from them.
While at it rename the queue ID variable to rxq_idx in
__net_mp_open_rxq(), we touch most of the relevant lines.
The XArray insertion is reordered after the netdev_rx_queue_restart()
call, otherwise we'd need to duplicate the queue index check
or risk inserting an invalid pointer. The XArray allocation
failures should be extremely rare.
Reviewed-by: Mina Almasry <almasrymina@google.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Fixes:
|
||
|
Stanislav Fomichev
|
1901066aab |
netdevsim: add dummy device notifiers
In order to exercise and verify notifiers' locking assumptions, register dummy notifiers (via register_netdevice_notifier_dev_net). Share notifier event handler that enforces the assumptions with lock_debug.c (rename and export rtnl_net_debug_event as netdev_debug_event). Add ops lock asserts to netdev_debug_event. Signed-off-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250401163452.622454-6-sdf@fomichev.me Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Stanislav Fomichev
|
8965c160b8 |
net: use netif_disable_lro in ipv6_add_dev
ipv6_add_dev might call dev_disable_lro which unconditionally grabs
instance lock, so it will deadlock during NETDEV_REGISTER. Switch
to netif_disable_lro.
Make sure all callers hold the instance lock as well.
Cc: Cosmin Ratiu <cratiu@nvidia.com>
Fixes:
|
||
|
Linus Torvalds
|
acc4d5ff0b |
Rather tiny PR, mostly so that we can get into our trees your fix
to the x86 Makefile.
Current release - regressions:
- Revert "tcp: avoid atomic operations on sk->sk_rmem_alloc",
error queue accounting was missed
Current release - new code bugs:
- 5 fixes for the netdevice instance locking work
Previous releases - regressions:
- usbnet: restore usb%d name exception for local mac addresses
Previous releases - always broken:
- rtnetlink: allocate vfinfo size for VF GUIDs when supported,
avoid spurious GET_LINK failures
- eth: mana: Switch to page pool for jumbo frames
- phy: broadcom: Correct BCM5221 PHY model detection
Misc:
- selftests: drv-net: replace helpers for referring to other files
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.15-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Rather tiny pull request, mostly so that we can get into our trees
your fix to the x86 Makefile.
Current release - regressions:
- Revert "tcp: avoid atomic operations on sk->sk_rmem_alloc", error
queue accounting was missed
Current release - new code bugs:
- 5 fixes for the netdevice instance locking work
Previous releases - regressions:
- usbnet: restore usb%d name exception for local mac addresses
Previous releases - always broken:
- rtnetlink: allocate vfinfo size for VF GUIDs when supported, avoid
spurious GET_LINK failures
- eth: mana: Switch to page pool for jumbo frames
- phy: broadcom: Correct BCM5221 PHY model detection
Misc:
- selftests: drv-net: replace helpers for referring to other files"
* tag 'net-6.15-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (22 commits)
Revert "tcp: avoid atomic operations on sk->sk_rmem_alloc"
bnxt_en: bring back rtnl lock in bnxt_shutdown
eth: gve: add missing netdev locks on reset and shutdown paths
selftests: mptcp: ignore mptcp_diag binary
selftests: mptcp: close fd_in before returning in main_loop
selftests: mptcp: fix incorrect fd checks in main_loop
mptcp: fix NULL pointer in can_accept_new_subflow
octeontx2-af: Free NIX_AF_INT_VEC_GEN irq
octeontx2-af: Fix mbox INTR handler when num VFs > 64
net: fix use-after-free in the netdev_nl_sock_priv_destroy()
selftests: net: use Path helpers in ping
selftests: net: use the dummy bpf from net/lib
selftests: drv-net: replace the rpath helper with Path objects
net: lapbether: use netdev_lockdep_set_classes() helper
net: phy: broadcom: Correct BCM5221 PHY model detection
net: usb: usbnet: restore usb%d name exception for local mac addresses
net/mlx5e: SHAMPO, Make reserved size independent of page size
net: mana: Switch to page pool for jumbo frames
MAINTAINERS: Add dedicated entries for phy_link_topology
net: move replay logic to tc_modify_qdisc
...
|
||
|
Linus Torvalds
|
eb0ece1602 |
- The 6 patch series "Enable strict percpu address space checks" from
Uros Bizjak uses x86 named address space qualifiers to provide compile-time checking of percpu area accesses. This has caused a small amount of fallout - two or three issues were reported. In all cases the calling code was founf to be incorrect. - The 4 patch series "Some cleanup for memcg" from Chen Ridong implements some relatively monir cleanups for the memcontrol code. - The 17 patch series "mm: fixes for device-exclusive entries (hmm)" from David Hildenbrand fixes a boatload of issues which David found then using device-exclusive PTE entries when THP is enabled. More work is needed, but this makes thins better - our own HMM selftests now succeed. - The 2 patch series "mm: zswap: remove z3fold and zbud" from Yosry Ahmed remove the z3fold and zbud implementations. They have been deprecated for half a year and nobody has complained. - The 5 patch series "mm: further simplify VMA merge operation" from Lorenzo Stoakes implements numerous simplifications in this area. No runtime effects are anticipated. - The 4 patch series "mm/madvise: remove redundant mmap_lock operations from process_madvise()" from SeongJae Park rationalizes the locking in the madvise() implementation. Performance gains of 20-25% were observed in one MADV_DONTNEED microbenchmark. - The 12 patch series "Tiny cleanup and improvements about SWAP code" from Baoquan He contains a number of touchups to issues which Baoquan noticed when working on the swap code. - The 2 patch series "mm: kmemleak: Usability improvements" from Catalin Marinas implements a couple of improvements to the kmemleak user-visible output. - The 2 patch series "mm/damon/paddr: fix large folios access and schemes handling" from Usama Arif provides a couple of fixes for DAMON's handling of large folios. - The 3 patch series "mm/damon/core: fix wrong and/or useless damos_walk() behaviors" from SeongJae Park fixes a few issues with the accuracy of kdamond's walking of DAMON regions. - The 3 patch series "expose mapping wrprotect, fix fb_defio use" from Lorenzo Stoakes changes the interaction between framebuffer deferred-io and core MM. No functional changes are anticipated - this is preparatory work for the future removal of page structure fields. - The 4 patch series "mm/damon: add support for hugepage_size DAMOS filter" from Usama Arif adds a DAMOS filter which permits the filtering by huge page sizes. - The 4 patch series "mm: permit guard regions for file-backed/shmem mappings" from Lorenzo Stoakes extends the guard region feature from its present "anon mappings only" state. The feature now covers shmem and file-backed mappings. - The 4 patch series "mm: batched unmap lazyfree large folios during reclamation" from Barry Song cleans up and speeds up the unmapping for pte-mapped large folios. - The 18 patch series "reimplement per-vma lock as a refcount" from Suren Baghdasaryan puts the vm_lock back into the vma. Our reasons for pulling it out were largely bogus and that change made the code more messy. This patchset provides small (0-10%) improvements on one microbenchmark. - The 5 patch series "Docs/mm/damon: misc DAMOS filters documentation fixes and improves" from SeongJae Park does some maintenance work on the DAMON docs. - The 27 patch series "hugetlb/CMA improvements for large systems" from Frank van der Linden addresses a pile of issues which have been observed when using CMA on large machines. - The 2 patch series "mm/damon: introduce DAMOS filter type for unmapped pages" from SeongJae Park enables users of DMAON/DAMOS to filter my the page's mapped/unmapped status. - The 19 patch series "zsmalloc/zram: there be preemption" from Sergey Senozhatsky teaches zram to run its compression and decompression operations preemptibly. - The 12 patch series "selftests/mm: Some cleanups from trying to run them" from Brendan Jackman fixes a pile of unrelated issues which Brendan encountered while runnimg our selftests. - The 2 patch series "fs/proc/task_mmu: add guard region bit to pagemap" from Lorenzo Stoakes permits userspace to use /proc/pid/pagemap to determine whether a particular page is a guard page. - The 7 patch series "mm, swap: remove swap slot cache" from Kairui Song removes the swap slot cache from the allocation path - it simply wasn't being effective. - The 5 patch series "mm: cleanups for device-exclusive entries (hmm)" from David Hildenbrand implements a number of unrelated cleanups in this code. - The 5 patch series "mm: Rework generic PTDUMP configs" from Anshuman Khandual implements a number of preparatoty cleanups to the GENERIC_PTDUMP Kconfig logic. - The 8 patch series "mm/damon: auto-tune aggregation interval" from SeongJae Park implements a feedback-driven automatic tuning feature for DAMON's aggregation interval tuning. - The 5 patch series "Fix lazy mmu mode" from Ryan Roberts fixes some issues in powerpc, sparc and x86 lazy MMU implementations. Ryan did this in preparation for implementing lazy mmu mode for arm64 to optimize vmalloc. - The 2 patch series "mm/page_alloc: Some clarifications for migratetype fallback" from Brendan Jackman reworks some commentary to make the code easier to follow. - The 3 patch series "page_counter cleanup and size reduction" from Shakeel Butt cleans up the page_counter code and fixes a size increase which we accidentally added late last year. - The 3 patch series "Add a command line option that enables control of how many threads should be used to allocate huge pages" from Thomas Prescher does that. It allows the careful operator to significantly reduce boot time by tuning the parallalization of huge page initialization. - The 3 patch series "Fix calculations in trace_balance_dirty_pages() for cgwb" from Tang Yizhou fixes the tracing output from the dirty page balancing code. - The 9 patch series "mm/damon: make allow filters after reject filters useful and intuitive" from SeongJae Park improves the handling of allow and reject filters. Behaviour is made more consistent and the documention is updated accordingly. - The 5 patch series "Switch zswap to object read/write APIs" from Yosry Ahmed updates zswap to the new object read/write APIs and thus permits the removal of some legacy code from zpool and zsmalloc. - The 6 patch series "Some trivial cleanups for shmem" from Baolin Wang does as it claims. - The 20 patch series "fs/dax: Fix ZONE_DEVICE page reference counts" from Alistair Popple regularizes the weird ZONE_DEVICE page refcount handling in DAX, permittig the removal of a number of special-case checks. - The 4 patch series "refactor mremap and fix bug" from Lorenzo Stoakes is a preparatoty refactoring and cleanup of the mremap() code. - The 20 patch series "mm: MM owner tracking for large folios (!hugetlb) + CONFIG_NO_PAGE_MAPCOUNT" from David Hildenbrand reworks the manner in which we determine whether a large folio is known to be mapped exclusively into a single MM. - The 8 patch series "mm/damon: add sysfs dirs for managing DAMOS filters based on handling layers" from SeongJae Park adds a couple of new sysfs directories to ease the management of DAMON/DAMOS filters. - The 13 patch series "arch, mm: reduce code duplication in mem_init()" from Mike Rapoport consolidates many per-arch implementations of mem_init() into code generic code, where that is practical. - The 13 patch series "mm/damon/sysfs: commit parameters online via damon_call()" from SeongJae Park continues the cleaning up of sysfs access to DAMON internal data. - The 3 patch series "mm: page_ext: Introduce new iteration API" from Luiz Capitulino reworks the page_ext initialization to fix a boot-time crash which was observed with an unusual combination of compile and cmdline options. - The 8 patch series "Buddy allocator like (or non-uniform) folio split" from Zi Yan reworks the code to split a folio into smaller folios. The main benefit is lessened memory consumption: fewer post-split folios are generated. - The 2 patch series "Minimize xa_node allocation during xarry split" from Zi Yan reduces the number of xarray xa_nodes which are generated during an xarray split. - The 2 patch series "drivers/base/memory: Two cleanups" from Gavin Shan performs some maintenance work on the drivers/base/memory code. - The 3 patch series "Add tracepoints for lowmem reserves, watermarks and totalreserve_pages" from Martin Liu adds some more tracepoints to the page allocator code. - The 4 patch series "mm/madvise: cleanup requests validations and classifications" from SeongJae Park cleans up some warts which SeongJae observed during his earlier madvise work. - The 3 patch series "mm/hwpoison: Fix regressions in memory failure handling" from Shuai Xue addresses two quite serious regressions which Shuai has observed in the memory-failure implementation. - The 5 patch series "mm: reliable huge page allocator" from Johannes Weiner makes huge page allocations cheaper and more reliable by reducing fragmentation. - The 5 patch series "Minor memcg cleanups & prep for memdescs" from Matthew Wilcox is preparatory work for the future implementation of memdescs. - The 4 patch series "track memory used by balloon drivers" from Nico Pache introduces a way to track memory used by our various balloon drivers. - The 2 patch series "mm/damon: introduce DAMOS filter type for active pages" from Nhat Pham permits users to filter for active/inactive pages, separately for file and anon pages. - The 2 patch series "Adding Proactive Memory Reclaim Statistics" from Hao Jia separates the proactive reclaim statistics from the direct reclaim statistics. - The 2 patch series "mm/vmscan: don't try to reclaim hwpoison folio" from Jinjiang Tu fixes our handling of hwpoisoned pages within the reclaim code. -----BEGIN PGP SIGNATURE----- iHQEABYKAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZ+nZaAAKCRDdBJ7gKXxA jsOWAPiP4r7CJHMZRK4eyJOkvS1a1r+TsIarrFZtjwvf/GIfAQCEG+JDxVfUaUSF Ee93qSSLR1BkNdDw+931Pu0mXfbnBw== =Pn2K -----END PGP SIGNATURE----- Merge tag 'mm-stable-2025-03-30-16-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull MM updates from Andrew Morton: - The series "Enable strict percpu address space checks" from Uros Bizjak uses x86 named address space qualifiers to provide compile-time checking of percpu area accesses. This has caused a small amount of fallout - two or three issues were reported. In all cases the calling code was found to be incorrect. - The series "Some cleanup for memcg" from Chen Ridong implements some relatively monir cleanups for the memcontrol code. - The series "mm: fixes for device-exclusive entries (hmm)" from David Hildenbrand fixes a boatload of issues which David found then using device-exclusive PTE entries when THP is enabled. More work is needed, but this makes thins better - our own HMM selftests now succeed. - The series "mm: zswap: remove z3fold and zbud" from Yosry Ahmed remove the z3fold and zbud implementations. They have been deprecated for half a year and nobody has complained. - The series "mm: further simplify VMA merge operation" from Lorenzo Stoakes implements numerous simplifications in this area. No runtime effects are anticipated. - The series "mm/madvise: remove redundant mmap_lock operations from process_madvise()" from SeongJae Park rationalizes the locking in the madvise() implementation. Performance gains of 20-25% were observed in one MADV_DONTNEED microbenchmark. - The series "Tiny cleanup and improvements about SWAP code" from Baoquan He contains a number of touchups to issues which Baoquan noticed when working on the swap code. - The series "mm: kmemleak: Usability improvements" from Catalin Marinas implements a couple of improvements to the kmemleak user-visible output. - The series "mm/damon/paddr: fix large folios access and schemes handling" from Usama Arif provides a couple of fixes for DAMON's handling of large folios. - The series "mm/damon/core: fix wrong and/or useless damos_walk() behaviors" from SeongJae Park fixes a few issues with the accuracy of kdamond's walking of DAMON regions. - The series "expose mapping wrprotect, fix fb_defio use" from Lorenzo Stoakes changes the interaction between framebuffer deferred-io and core MM. No functional changes are anticipated - this is preparatory work for the future removal of page structure fields. - The series "mm/damon: add support for hugepage_size DAMOS filter" from Usama Arif adds a DAMOS filter which permits the filtering by huge page sizes. - The series "mm: permit guard regions for file-backed/shmem mappings" from Lorenzo Stoakes extends the guard region feature from its present "anon mappings only" state. The feature now covers shmem and file-backed mappings. - The series "mm: batched unmap lazyfree large folios during reclamation" from Barry Song cleans up and speeds up the unmapping for pte-mapped large folios. - The series "reimplement per-vma lock as a refcount" from Suren Baghdasaryan puts the vm_lock back into the vma. Our reasons for pulling it out were largely bogus and that change made the code more messy. This patchset provides small (0-10%) improvements on one microbenchmark. - The series "Docs/mm/damon: misc DAMOS filters documentation fixes and improves" from SeongJae Park does some maintenance work on the DAMON docs. - The series "hugetlb/CMA improvements for large systems" from Frank van der Linden addresses a pile of issues which have been observed when using CMA on large machines. - The series "mm/damon: introduce DAMOS filter type for unmapped pages" from SeongJae Park enables users of DMAON/DAMOS to filter my the page's mapped/unmapped status. - The series "zsmalloc/zram: there be preemption" from Sergey Senozhatsky teaches zram to run its compression and decompression operations preemptibly. - The series "selftests/mm: Some cleanups from trying to run them" from Brendan Jackman fixes a pile of unrelated issues which Brendan encountered while runnimg our selftests. - The series "fs/proc/task_mmu: add guard region bit to pagemap" from Lorenzo Stoakes permits userspace to use /proc/pid/pagemap to determine whether a particular page is a guard page. - The series "mm, swap: remove swap slot cache" from Kairui Song removes the swap slot cache from the allocation path - it simply wasn't being effective. - The series "mm: cleanups for device-exclusive entries (hmm)" from David Hildenbrand implements a number of unrelated cleanups in this code. - The series "mm: Rework generic PTDUMP configs" from Anshuman Khandual implements a number of preparatoty cleanups to the GENERIC_PTDUMP Kconfig logic. - The series "mm/damon: auto-tune aggregation interval" from SeongJae Park implements a feedback-driven automatic tuning feature for DAMON's aggregation interval tuning. - The series "Fix lazy mmu mode" from Ryan Roberts fixes some issues in powerpc, sparc and x86 lazy MMU implementations. Ryan did this in preparation for implementing lazy mmu mode for arm64 to optimize vmalloc. - The series "mm/page_alloc: Some clarifications for migratetype fallback" from Brendan Jackman reworks some commentary to make the code easier to follow. - The series "page_counter cleanup and size reduction" from Shakeel Butt cleans up the page_counter code and fixes a size increase which we accidentally added late last year. - The series "Add a command line option that enables control of how many threads should be used to allocate huge pages" from Thomas Prescher does that. It allows the careful operator to significantly reduce boot time by tuning the parallalization of huge page initialization. - The series "Fix calculations in trace_balance_dirty_pages() for cgwb" from Tang Yizhou fixes the tracing output from the dirty page balancing code. - The series "mm/damon: make allow filters after reject filters useful and intuitive" from SeongJae Park improves the handling of allow and reject filters. Behaviour is made more consistent and the documention is updated accordingly. - The series "Switch zswap to object read/write APIs" from Yosry Ahmed updates zswap to the new object read/write APIs and thus permits the removal of some legacy code from zpool and zsmalloc. - The series "Some trivial cleanups for shmem" from Baolin Wang does as it claims. - The series "fs/dax: Fix ZONE_DEVICE page reference counts" from Alistair Popple regularizes the weird ZONE_DEVICE page refcount handling in DAX, permittig the removal of a number of special-case checks. - The series "refactor mremap and fix bug" from Lorenzo Stoakes is a preparatoty refactoring and cleanup of the mremap() code. - The series "mm: MM owner tracking for large folios (!hugetlb) + CONFIG_NO_PAGE_MAPCOUNT" from David Hildenbrand reworks the manner in which we determine whether a large folio is known to be mapped exclusively into a single MM. - The series "mm/damon: add sysfs dirs for managing DAMOS filters based on handling layers" from SeongJae Park adds a couple of new sysfs directories to ease the management of DAMON/DAMOS filters. - The series "arch, mm: reduce code duplication in mem_init()" from Mike Rapoport consolidates many per-arch implementations of mem_init() into code generic code, where that is practical. - The series "mm/damon/sysfs: commit parameters online via damon_call()" from SeongJae Park continues the cleaning up of sysfs access to DAMON internal data. - The series "mm: page_ext: Introduce new iteration API" from Luiz Capitulino reworks the page_ext initialization to fix a boot-time crash which was observed with an unusual combination of compile and cmdline options. - The series "Buddy allocator like (or non-uniform) folio split" from Zi Yan reworks the code to split a folio into smaller folios. The main benefit is lessened memory consumption: fewer post-split folios are generated. - The series "Minimize xa_node allocation during xarry split" from Zi Yan reduces the number of xarray xa_nodes which are generated during an xarray split. - The series "drivers/base/memory: Two cleanups" from Gavin Shan performs some maintenance work on the drivers/base/memory code. - The series "Add tracepoints for lowmem reserves, watermarks and totalreserve_pages" from Martin Liu adds some more tracepoints to the page allocator code. - The series "mm/madvise: cleanup requests validations and classifications" from SeongJae Park cleans up some warts which SeongJae observed during his earlier madvise work. - The series "mm/hwpoison: Fix regressions in memory failure handling" from Shuai Xue addresses two quite serious regressions which Shuai has observed in the memory-failure implementation. - The series "mm: reliable huge page allocator" from Johannes Weiner makes huge page allocations cheaper and more reliable by reducing fragmentation. - The series "Minor memcg cleanups & prep for memdescs" from Matthew Wilcox is preparatory work for the future implementation of memdescs. - The series "track memory used by balloon drivers" from Nico Pache introduces a way to track memory used by our various balloon drivers. - The series "mm/damon: introduce DAMOS filter type for active pages" from Nhat Pham permits users to filter for active/inactive pages, separately for file and anon pages. - The series "Adding Proactive Memory Reclaim Statistics" from Hao Jia separates the proactive reclaim statistics from the direct reclaim statistics. - The series "mm/vmscan: don't try to reclaim hwpoison folio" from Jinjiang Tu fixes our handling of hwpoisoned pages within the reclaim code. * tag 'mm-stable-2025-03-30-16-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (431 commits) mm/page_alloc: remove unnecessary __maybe_unused in order_to_pindex() x86/mm: restore early initialization of high_memory for 32-bits mm/vmscan: don't try to reclaim hwpoison folio mm/hwpoison: introduce folio_contain_hwpoisoned_page() helper cgroup: docs: add pswpin and pswpout items in cgroup v2 doc mm: vmscan: split proactive reclaim statistics from direct reclaim statistics selftests/mm: speed up split_huge_page_test selftests/mm: uffd-unit-tests support for hugepages > 2M docs/mm/damon/design: document active DAMOS filter type mm/damon: implement a new DAMOS filter type for active pages fs/dax: don't disassociate zero page entries MM documentation: add "Unaccepted" meminfo entry selftests/mm: add commentary about 9pfs bugs fork: use __vmalloc_node() for stack allocation docs/mm: Physical Memory: Populate the "Zones" section xen: balloon: update the NR_BALLOON_PAGES state hv_balloon: update the NR_BALLOON_PAGES state balloon_compaction: update the NR_BALLOON_PAGES state meminfo: add a per node counter for balloon drivers mm: remove references to folio in __memcg_kmem_uncharge_page() ... |
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Eric Dumazet
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f278b6d5bb |
Revert "tcp: avoid atomic operations on sk->sk_rmem_alloc"
This reverts commit |
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Linus Torvalds
|
092e335082 |
RDMA v6.15 merge window pull request
- Usual minor updates and fixes for bnxt_re, hfi1, rxe, mana, iser, mlx5, vmw_pvrdma, hns - Make rxe work on tun devices - mana gains more standard verbs as it moves toward supporting in-kernel verbs - DMABUF support for mana - Fix page size calculations when memory registration exceeds 4G - On Demand Paging support for rxe - mlx5 support for RDMA TRANSPORT flow tables and a new ucap mechanism to access control use of them - Optional RDMA_TX/RX counters per QP in mlx5 -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRRRCHOFoQz/8F5bUaFwuHvBreFYQUCZ+ap4gAKCRCFwuHvBreF YaFHAP9wyeZCZIbnWaGcbNdbsmkEgy7aTVILRHf1NA7VSJ211gD9Ha60E+mkwtvA i7IJ49R2BdqzKaO9oTutj2Lw+8rABwQ= =qXhh -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma Pull rdma updates from Jason Gunthorpe: - Usual minor updates and fixes for bnxt_re, hfi1, rxe, mana, iser, mlx5, vmw_pvrdma, hns - Make rxe work on tun devices - mana gains more standard verbs as it moves toward supporting in-kernel verbs - DMABUF support for mana - Fix page size calculations when memory registration exceeds 4G - On Demand Paging support for rxe - mlx5 support for RDMA TRANSPORT flow tables and a new ucap mechanism to access control use of them - Optional RDMA_TX/RX counters per QP in mlx5 * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (73 commits) IB/mad: Check available slots before posting receive WRs RDMA/mana_ib: Fix integer overflow during queue creation RDMA/mlx5: Fix calculation of total invalidated pages RDMA/mlx5: Fix mlx5_poll_one() cur_qp update flow RDMA/mlx5: Fix page_size variable overflow RDMA/mlx5: Drop access_flags from _mlx5_mr_cache_alloc() RDMA/mlx5: Fix cache entry update on dereg error RDMA/mlx5: Fix MR cache initialization error flow RDMA/mlx5: Support optional-counters binding for QPs RDMA/mlx5: Compile fs.c regardless of INFINIBAND_USER_ACCESS config RDMA/core: Pass port to counter bind/unbind operations RDMA/core: Add support to optional-counters binding configuration RDMA/core: Create and destroy rdma_counter using rdma_zalloc_drv_obj() RDMA/mlx5: Add optional counters for RDMA_TX/RX_packets/bytes RDMA/core: Fix use-after-free when rename device name RDMA/bnxt_re: Support perf management counters RDMA/rxe: Fix incorrect return value of rxe_odp_atomic_op() RDMA/uverbs: Propagate errors from rdma_lookup_get_uobject() RDMA/mana_ib: Handle net event for pointing to the current netdev net: mana: Change the function signature of mana_get_primary_netdev_rcu ... |
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Linus Torvalds
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e5e0e6bebe |
This update includes the following changes:
API: - Remove legacy compression interface. - Improve scatterwalk API. - Add request chaining to ahash and acomp. - Add virtual address support to ahash and acomp. - Add folio support to acomp. - Remove NULL dst support from acomp. Algorithms: - Library options are fuly hidden (selected by kernel users only). - Add Kerberos5 algorithms. - Add VAES-based ctr(aes) on x86. - Ensure LZO respects output buffer length on compression. - Remove obsolete SIMD fallback code path from arm/ghash-ce. Drivers: - Add support for PCI device 0x1134 in ccp. - Add support for rk3588's standalone TRNG in rockchip. - Add Inside Secure SafeXcel EIP-93 crypto engine support in eip93. - Fix bugs in tegra uncovered by multi-threaded self-test. - Fix corner cases in hisilicon/sec2. Others: - Add SG_MITER_LOCAL to sg miter. - Convert ubifs, hibernate and xfrm_ipcomp from legacy API to acomp. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn51F/lCuNhUwmDeSxycdCkmxi6cFAmfiQ9kACgkQxycdCkmx i6fFZg/9GWjC1FLEV66vNlYAIzFGwzwWdFGyQzXyP235Cphhm4qt9gx7P91N6Lvc pplVjNEeZHoP8lMw+AIeGc2cRhIwsvn8C+HA3tCBOoC1qSe8T9t7KHAgiRGd/0iz UrzVBFLYlR9i4tc0T5peyQwSctv8DfjWzduTmI3Ts8i7OQcfeVVgj3sGfWam7kjF 1GJWIQH7aPzT8cwFtk8gAK1insuPPZelT1Ppl9kUeZe0XUibrP7Gb5G9simxXAyi B+nLCaJYS6Hc1f47cfR/qyZSeYQN35KTVrEoKb1pTYXfEtMv6W9fIvQVLJRYsqpH RUBdDJUseE+WckR6glX9USrh+Fv9d+HfsTXh1fhpApKU5sQJ7pDbUm4ge8p6htNG MIszbJPdqajYveRLuPUjFlUXaqomos8eT6BZA+RLHm1cogzEOm+5bjspbfRNAVPj x9KiDu5lXNiFj02v/MkLKUe3bnGIyVQnZNi7Rn0Rpxjv95tIjVpksZWMPJarxUC6 5zdyM2I5X0Z9+teBpbfWyqfzSbAs/KpzV8S/xNvWDUT6NlpYGBeNXrCDTXcwJLAh PRW0w1EJUwsZbPi8GEh5jNzo/YK1cGsUKrihKv7YgqSSopMLI8e/WVr8nKZMVDFA O+6F6ec5lR7KsOIMGUqrBGFU1ccAeaLLvLK3H5J8//gMMg82Uik= =aQNt -----END PGP SIGNATURE----- Merge tag 'v6.15-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto updates from Herbert Xu: "API: - Remove legacy compression interface - Improve scatterwalk API - Add request chaining to ahash and acomp - Add virtual address support to ahash and acomp - Add folio support to acomp - Remove NULL dst support from acomp Algorithms: - Library options are fuly hidden (selected by kernel users only) - Add Kerberos5 algorithms - Add VAES-based ctr(aes) on x86 - Ensure LZO respects output buffer length on compression - Remove obsolete SIMD fallback code path from arm/ghash-ce Drivers: - Add support for PCI device 0x1134 in ccp - Add support for rk3588's standalone TRNG in rockchip - Add Inside Secure SafeXcel EIP-93 crypto engine support in eip93 - Fix bugs in tegra uncovered by multi-threaded self-test - Fix corner cases in hisilicon/sec2 Others: - Add SG_MITER_LOCAL to sg miter - Convert ubifs, hibernate and xfrm_ipcomp from legacy API to acomp" * tag 'v6.15-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (187 commits) crypto: testmgr - Add multibuffer acomp testing crypto: acomp - Fix synchronous acomp chaining fallback crypto: testmgr - Add multibuffer hash testing crypto: hash - Fix synchronous ahash chaining fallback crypto: arm/ghash-ce - Remove SIMD fallback code path crypto: essiv - Replace memcpy() + NUL-termination with strscpy() crypto: api - Call crypto_alg_put in crypto_unregister_alg crypto: scompress - Fix incorrect stream freeing crypto: lib/chacha - remove unused arch-specific init support crypto: remove obsolete 'comp' compression API crypto: compress_null - drop obsolete 'comp' implementation crypto: cavium/zip - drop obsolete 'comp' implementation crypto: zstd - drop obsolete 'comp' implementation crypto: lzo - drop obsolete 'comp' implementation crypto: lzo-rle - drop obsolete 'comp' implementation crypto: lz4hc - drop obsolete 'comp' implementation crypto: lz4 - drop obsolete 'comp' implementation crypto: deflate - drop obsolete 'comp' implementation crypto: 842 - drop obsolete 'comp' implementation crypto: nx - Migrate to scomp API ... |
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Linus Torvalds
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1a9239bb42 |
Networking changes for 6.15.
Core & protocols
----------------
- Continue Netlink conversions to per-namespace RTNL lock
(IPv4 routing, routing rules, routing next hops, ARP ioctls).
- Continue extending the use of netdev instance locks. As a driver
opt-in protect queue operations and (in due course) ethtool
operations with the instance lock and not RTNL lock.
- Support collecting TCP timestamps (data submitted, sent, acked)
in BPF, allowing for transparent (to the application) and lower
overhead tracking of TCP RPC performance.
- Tweak existing networking Rx zero-copy infra to support zero-copy
Rx via io_uring.
- Optimize MPTCP performance in single subflow mode by 29%.
- Enable GRO on packets which went thru XDP CPU redirect (were queued
for processing on a different CPU). Improving TCP stream performance
up to 2x.
- Improve performance of contended connect() by 200% by searching
for an available 4-tuple under RCU rather than a spin lock.
Bring an additional 229% improvement by tweaking hash distribution.
- Avoid unconditionally touching sk_tsflags on RX, improving
performance under UDP flood by as much as 10%.
- Avoid skb_clone() dance in ping_rcv() to improve performance under
ping flood.
- Avoid FIB lookup in netfilter if socket is available, 20% perf win.
- Rework network device creation (in-kernel) API to more clearly
identify network namespaces and their roles.
There are up to 4 namespace roles but we used to have just 2 netns
pointer arguments, interpreted differently based on context.
- Use sysfs_break_active_protection() instead of trylock to avoid
deadlocks between unregistering objects and sysfs access.
- Add a new sysctl and sockopt for capping max retransmit timeout
in TCP.
- Support masking port and DSCP in routing rule matches.
- Support dumping IPv4 multicast addresses with RTM_GETMULTICAST.
- Support specifying at what time packet should be sent on AF_XDP
sockets.
- Expose TCP ULP diagnostic info (for TLS and MPTCP) to non-admin users.
- Add Netlink YAML spec for WiFi (nl80211) and conntrack.
- Introduce EXPORT_IPV6_MOD() and EXPORT_IPV6_MOD_GPL() for symbols
which only need to be exported when IPv6 support is built as a module.
- Age FDB entries based on Rx not Tx traffic in VxLAN, similar
to normal bridging.
- Allow users to specify source port range for GENEVE tunnels.
- netconsole: allow attaching kernel release, CPU ID and task name
to messages as metadata
Driver API
----------
- Continue rework / fixing of Energy Efficient Ethernet (EEE) across
the SW layers. Delegate the responsibilities to phylink where possible.
Improve its handling in phylib.
- Support symmetric OR-XOR RSS hashing algorithm.
- Support tracking and preserving IRQ affinity by NAPI itself.
- Support loopback mode speed selection for interface selftests.
Device drivers
--------------
- Remove the IBM LCS driver for s390.
- Remove the sb1000 cable modem driver.
- Add support for SFP module access over SMBus.
- Add MCTP transport driver for MCTP-over-USB.
- Enable XDP metadata support in multiple drivers.
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- add PCIe TLP Processing Hints (TPH) support for new AMD platforms
- support dumping RoCE queue state for debug
- opt into instance locking
- Intel (100G, ice, idpf):
- ice: rework MSI-X IRQ management and distribution
- ice: support for E830 devices
- iavf: add support for Rx timestamping
- iavf: opt into instance locking
- nVidia/Mellanox:
- mlx4: use page pool memory allocator for Rx
- mlx5: support for one PTP device per hardware clock
- mlx5: support for 200Gbps per-lane link modes
- mlx5: move IPSec policy check after decryption
- AMD/Solarflare:
- support FW flashing via devlink
- Cisco (enic):
- use page pool memory allocator for Rx
- enable 32, 64 byte CQEs
- get max rx/tx ring size from the device
- Meta (fbnic):
- support flow steering and RSS configuration
- report queue stats
- support TCP segmentation
- support IRQ coalescing
- support ring size configuration
- Marvell/Cavium:
- support AF_XDP
- Wangxun:
- support for PTP clock and timestamping
- Huawei (hibmcge):
- checksum offload
- add more statistics
- Ethernet virtual:
- VirtIO net:
- aggressively suppress Tx completions, improve perf by 96% with
1 CPU and 55% with 2 CPUs
- expose NAPI to IRQ mapping and persist NAPI settings
- Google (gve):
- support XDP in DQO RDA Queue Format
- opt into instance locking
- Microsoft vNIC:
- support BIG TCP
- Ethernet NICs consumer, and embedded:
- Synopsys (stmmac):
- cleanup Tx and Tx clock setting and other link-focused cleanups
- enable SGMII and 2500BASEX mode switching for Intel platforms
- support Sophgo SG2044
- Broadcom switches (b53):
- support for BCM53101
- TI:
- iep: add perout configuration support
- icssg: support XDP
- Cadence (macb):
- implement BQL
- Xilinx (axinet):
- support dynamic IRQ moderation and changing coalescing at runtime
- implement BQL
- report standard stats
- MediaTek:
- support phylink managed EEE
- Intel:
- igc: don't restart the interface on every XDP program change
- RealTek (r8169):
- support reading registers of internal PHYs directly
- increase max jumbo packet size on RTL8125/RTL8126
- Airoha:
- support for RISC-V NPU packet processing unit
- enable scatter-gather and support MTU up to 9kB
- Tehuti (tn40xx):
- support cards with TN4010 MAC and an Aquantia AQR105 PHY
- Ethernet PHYs:
- support for TJA1102S, TJA1121
- dp83tg720: add randomized polling intervals for link detection
- dp83822: support changing the transmit amplitude voltage
- support for LEDs on 88q2xxx
- CAN:
- canxl: support Remote Request Substitution bit access
- flexcan: add S32G2/S32G3 SoC
- WiFi:
- remove cooked monitor support
- strict mode for better AP testing
- basic EPCS support
- OMI RX bandwidth reduction support
- batman-adv: add support for jumbo frames
- WiFi drivers:
- RealTek (rtw88):
- support RTL8814AE and RTL8814AU
- RealTek (rtw89):
- switch using wiphy_lock and wiphy_work
- add BB context to manipulate two PHY as preparation of MLO
- improve BT-coexistence mechanism to play A2DP smoothly
- Intel (iwlwifi):
- add new iwlmld sub-driver for latest HW/FW combinations
- MediaTek (mt76):
- preparation for mt7996 Multi-Link Operation (MLO) support
- Qualcomm/Atheros (ath12k):
- continued work on MLO
- Silabs (wfx):
- Wake-on-WLAN support
- Bluetooth:
- add support for skb TX SND/COMPLETION timestamping
- hci_core: enable buffer flow control for SCO/eSCO
- coredump: log devcd dumps into the monitor
- Bluetooth drivers:
- intel: add support to configure TX power
- nxp: handle bootloader error during cmd5 and cmd7
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Continue Netlink conversions to per-namespace RTNL lock
(IPv4 routing, routing rules, routing next hops, ARP ioctls)
- Continue extending the use of netdev instance locks. As a driver
opt-in protect queue operations and (in due course) ethtool
operations with the instance lock and not RTNL lock.
- Support collecting TCP timestamps (data submitted, sent, acked) in
BPF, allowing for transparent (to the application) and lower
overhead tracking of TCP RPC performance.
- Tweak existing networking Rx zero-copy infra to support zero-copy
Rx via io_uring.
- Optimize MPTCP performance in single subflow mode by 29%.
- Enable GRO on packets which went thru XDP CPU redirect (were queued
for processing on a different CPU). Improving TCP stream
performance up to 2x.
- Improve performance of contended connect() by 200% by searching for
an available 4-tuple under RCU rather than a spin lock. Bring an
additional 229% improvement by tweaking hash distribution.
- Avoid unconditionally touching sk_tsflags on RX, improving
performance under UDP flood by as much as 10%.
- Avoid skb_clone() dance in ping_rcv() to improve performance under
ping flood.
- Avoid FIB lookup in netfilter if socket is available, 20% perf win.
- Rework network device creation (in-kernel) API to more clearly
identify network namespaces and their roles. There are up to 4
namespace roles but we used to have just 2 netns pointer arguments,
interpreted differently based on context.
- Use sysfs_break_active_protection() instead of trylock to avoid
deadlocks between unregistering objects and sysfs access.
- Add a new sysctl and sockopt for capping max retransmit timeout in
TCP.
- Support masking port and DSCP in routing rule matches.
- Support dumping IPv4 multicast addresses with RTM_GETMULTICAST.
- Support specifying at what time packet should be sent on AF_XDP
sockets.
- Expose TCP ULP diagnostic info (for TLS and MPTCP) to non-admin
users.
- Add Netlink YAML spec for WiFi (nl80211) and conntrack.
- Introduce EXPORT_IPV6_MOD() and EXPORT_IPV6_MOD_GPL() for symbols
which only need to be exported when IPv6 support is built as a
module.
- Age FDB entries based on Rx not Tx traffic in VxLAN, similar to
normal bridging.
- Allow users to specify source port range for GENEVE tunnels.
- netconsole: allow attaching kernel release, CPU ID and task name to
messages as metadata
Driver API:
- Continue rework / fixing of Energy Efficient Ethernet (EEE) across
the SW layers. Delegate the responsibilities to phylink where
possible. Improve its handling in phylib.
- Support symmetric OR-XOR RSS hashing algorithm.
- Support tracking and preserving IRQ affinity by NAPI itself.
- Support loopback mode speed selection for interface selftests.
Device drivers:
- Remove the IBM LCS driver for s390
- Remove the sb1000 cable modem driver
- Add support for SFP module access over SMBus
- Add MCTP transport driver for MCTP-over-USB
- Enable XDP metadata support in multiple drivers
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- add PCIe TLP Processing Hints (TPH) support for new AMD
platforms
- support dumping RoCE queue state for debug
- opt into instance locking
- Intel (100G, ice, idpf):
- ice: rework MSI-X IRQ management and distribution
- ice: support for E830 devices
- iavf: add support for Rx timestamping
- iavf: opt into instance locking
- nVidia/Mellanox:
- mlx4: use page pool memory allocator for Rx
- mlx5: support for one PTP device per hardware clock
- mlx5: support for 200Gbps per-lane link modes
- mlx5: move IPSec policy check after decryption
- AMD/Solarflare:
- support FW flashing via devlink
- Cisco (enic):
- use page pool memory allocator for Rx
- enable 32, 64 byte CQEs
- get max rx/tx ring size from the device
- Meta (fbnic):
- support flow steering and RSS configuration
- report queue stats
- support TCP segmentation
- support IRQ coalescing
- support ring size configuration
- Marvell/Cavium:
- support AF_XDP
- Wangxun:
- support for PTP clock and timestamping
- Huawei (hibmcge):
- checksum offload
- add more statistics
- Ethernet virtual:
- VirtIO net:
- aggressively suppress Tx completions, improve perf by 96%
with 1 CPU and 55% with 2 CPUs
- expose NAPI to IRQ mapping and persist NAPI settings
- Google (gve):
- support XDP in DQO RDA Queue Format
- opt into instance locking
- Microsoft vNIC:
- support BIG TCP
- Ethernet NICs consumer, and embedded:
- Synopsys (stmmac):
- cleanup Tx and Tx clock setting and other link-focused
cleanups
- enable SGMII and 2500BASEX mode switching for Intel platforms
- support Sophgo SG2044
- Broadcom switches (b53):
- support for BCM53101
- TI:
- iep: add perout configuration support
- icssg: support XDP
- Cadence (macb):
- implement BQL
- Xilinx (axinet):
- support dynamic IRQ moderation and changing coalescing at
runtime
- implement BQL
- report standard stats
- MediaTek:
- support phylink managed EEE
- Intel:
- igc: don't restart the interface on every XDP program change
- RealTek (r8169):
- support reading registers of internal PHYs directly
- increase max jumbo packet size on RTL8125/RTL8126
- Airoha:
- support for RISC-V NPU packet processing unit
- enable scatter-gather and support MTU up to 9kB
- Tehuti (tn40xx):
- support cards with TN4010 MAC and an Aquantia AQR105 PHY
- Ethernet PHYs:
- support for TJA1102S, TJA1121
- dp83tg720: add randomized polling intervals for link detection
- dp83822: support changing the transmit amplitude voltage
- support for LEDs on 88q2xxx
- CAN:
- canxl: support Remote Request Substitution bit access
- flexcan: add S32G2/S32G3 SoC
- WiFi:
- remove cooked monitor support
- strict mode for better AP testing
- basic EPCS support
- OMI RX bandwidth reduction support
- batman-adv: add support for jumbo frames
- WiFi drivers:
- RealTek (rtw88):
- support RTL8814AE and RTL8814AU
- RealTek (rtw89):
- switch using wiphy_lock and wiphy_work
- add BB context to manipulate two PHY as preparation of MLO
- improve BT-coexistence mechanism to play A2DP smoothly
- Intel (iwlwifi):
- add new iwlmld sub-driver for latest HW/FW combinations
- MediaTek (mt76):
- preparation for mt7996 Multi-Link Operation (MLO) support
- Qualcomm/Atheros (ath12k):
- continued work on MLO
- Silabs (wfx):
- Wake-on-WLAN support
- Bluetooth:
- add support for skb TX SND/COMPLETION timestamping
- hci_core: enable buffer flow control for SCO/eSCO
- coredump: log devcd dumps into the monitor
- Bluetooth drivers:
- intel: add support to configure TX power
- nxp: handle bootloader error during cmd5 and cmd7"
* tag 'net-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1681 commits)
unix: fix up for "apparmor: add fine grained af_unix mediation"
mctp: Fix incorrect tx flow invalidation condition in mctp-i2c
net: usb: asix: ax88772: Increase phy_name size
net: phy: Introduce PHY_ID_SIZE — minimum size for PHY ID string
net: libwx: fix Tx L4 checksum
net: libwx: fix Tx descriptor content for some tunnel packets
atm: Fix NULL pointer dereference
net: tn40xx: add pci-id of the aqr105-based Tehuti TN4010 cards
net: tn40xx: prepare tn40xx driver to find phy of the TN9510 card
net: tn40xx: create swnode for mdio and aqr105 phy and add to mdiobus
net: phy: aquantia: add essential functions to aqr105 driver
net: phy: aquantia: search for firmware-name in fwnode
net: phy: aquantia: add probe function to aqr105 for firmware loading
net: phy: Add swnode support to mdiobus_scan
gve: add XDP DROP and PASS support for DQ
gve: update XDP allocation path support RX buffer posting
gve: merge packet buffer size fields
gve: update GQ RX to use buf_size
gve: introduce config-based allocation for XDP
gve: remove xdp_xsk_done and xdp_xsk_wakeup statistics
...
|
||
|
Jakub Kicinski
|
023b1e9d26 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in late fixes to prepare for the 6.15 net-next PR. No conflicts, adjacent changes: drivers/net/ethernet/broadcom/bnxt/bnxt.c |
||
|
Stephen Rothwell
|
705094f655 |
unix: fix up for "apparmor: add fine grained af_unix mediation"
After merging the apparmor tree, today's linux-next build (x86_64
allmodconfig) failed like this:
security/apparmor/af_unix.c: In function 'unix_state_double_lock':
security/apparmor/af_unix.c:627:17: error: implicit declaration of function 'unix_state_lock'; did you mean 'unix_state_double_lock'? [-Wimplicit-function-declaration]
627 | unix_state_lock(sk1);
| ^~~~~~~~~~~~~~~
| unix_state_double_lock
security/apparmor/af_unix.c: In function 'unix_state_double_unlock':
security/apparmor/af_unix.c:642:17: error: implicit declaration of function 'unix_state_unlock'; did you mean 'unix_state_double_lock'? [-Wimplicit-function-declaration]
642 | unix_state_unlock(sk1);
| ^~~~~~~~~~~~~~~~~
| unix_state_double_lock
Caused by commit
|
||
|
Linus Torvalds
|
ee6740fd34 |
CRC updates for 6.15
Another set of improvements to the kernel's CRC (cyclic redundancy
check) code:
- Rework the CRC64 library functions to be directly optimized, like what
I did last cycle for the CRC32 and CRC-T10DIF library functions.
- Rewrite the x86 PCLMULQDQ-optimized CRC code, and add VPCLMULQDQ
support and acceleration for crc64_be and crc64_nvme.
- Rewrite the riscv Zbc-optimized CRC code, and add acceleration for
crc_t10dif, crc64_be, and crc64_nvme.
- Remove crc_t10dif and crc64_rocksoft from the crypto API, since they
are no longer needed there.
- Rename crc64_rocksoft to crc64_nvme, as the old name was incorrect.
- Add kunit test cases for crc64_nvme and crc7.
- Eliminate redundant functions for calculating the Castagnoli CRC32,
settling on just crc32c().
- Remove unnecessary prompts from some of the CRC kconfig options.
- Further optimize the x86 crc32c code.
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Merge tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux
Pull CRC updates from Eric Biggers:
"Another set of improvements to the kernel's CRC (cyclic redundancy
check) code:
- Rework the CRC64 library functions to be directly optimized, like
what I did last cycle for the CRC32 and CRC-T10DIF library
functions
- Rewrite the x86 PCLMULQDQ-optimized CRC code, and add VPCLMULQDQ
support and acceleration for crc64_be and crc64_nvme
- Rewrite the riscv Zbc-optimized CRC code, and add acceleration for
crc_t10dif, crc64_be, and crc64_nvme
- Remove crc_t10dif and crc64_rocksoft from the crypto API, since
they are no longer needed there
- Rename crc64_rocksoft to crc64_nvme, as the old name was incorrect
- Add kunit test cases for crc64_nvme and crc7
- Eliminate redundant functions for calculating the Castagnoli CRC32,
settling on just crc32c()
- Remove unnecessary prompts from some of the CRC kconfig options
- Further optimize the x86 crc32c code"
* tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: (36 commits)
x86/crc: drop the avx10_256 functions and rename avx10_512 to avx512
lib/crc: remove unnecessary prompt for CONFIG_CRC64
lib/crc: remove unnecessary prompt for CONFIG_LIBCRC32C
lib/crc: remove unnecessary prompt for CONFIG_CRC8
lib/crc: remove unnecessary prompt for CONFIG_CRC7
lib/crc: remove unnecessary prompt for CONFIG_CRC4
lib/crc7: unexport crc7_be_syndrome_table
lib/crc_kunit.c: update comment in crc_benchmark()
lib/crc_kunit.c: add test and benchmark for crc7_be()
x86/crc32: optimize tail handling for crc32c short inputs
riscv/crc64: add Zbc optimized CRC64 functions
riscv/crc-t10dif: add Zbc optimized CRC-T10DIF function
riscv/crc32: reimplement the CRC32 functions using new template
riscv/crc: add "template" for Zbc optimized CRC functions
x86/crc: add ANNOTATE_NOENDBR to suppress objtool warnings
x86/crc32: improve crc32c_arch() code generation with clang
x86/crc64: implement crc64_be and crc64_nvme using new template
x86/crc-t10dif: implement crc_t10dif using new template
x86/crc32: implement crc32_le using new template
x86/crc: add "template" for [V]PCLMULQDQ based CRC functions
...
|
||
|
Jakub Kicinski
|
4f74a45c6b |
bluetooth-next pull request for net-next:
core: - Add support for skb TX SND/COMPLETION timestamping - hci_core: Enable buffer flow control for SCO/eSCO - coredump: Log devcd dumps into the monitor drivers: - btusb: Add 2 HWIDs for MT7922 - btusb: Fix regression in the initialization of fake Bluetooth controllers - btusb: Add 14 USB device IDs for Qualcomm WCN785x - btintel: Add support for Intel Scorpius Peak - btintel: Add support to configure TX power - btintel: Add DSBR support for ScP - btintel_pcie: Add device id of Whale Peak - btintel_pcie: Setup buffers for firmware traces - btintel_pcie: Read hardware exception data - btintel_pcie: Add support for device coredump - btintel_pcie: Trigger device coredump on hardware exception - btnxpuart: Support for controller wakeup gpio config - btnxpuart: Add support to set BD address - btnxpuart: Add correct bootloader error codes - btnxpuart: Handle bootloader error during cmd5 and cmd7 - btnxpuart: Fix kernel panic during FW release - qca: add WCN3950 support - hci_qca: use the power sequencer for wcn6750 - btmtksdio: Prevent enabling interrupts after IRQ handler removal -----BEGIN PGP SIGNATURE----- iQJNBAABCAA3FiEE7E6oRXp8w05ovYr/9JCA4xAyCykFAmfjA3AZHGx1aXoudm9u LmRlbnR6QGludGVsLmNvbQAKCRD0kIDjEDILKeWWD/0QZYBrNP9QSTyYTeNlYhCC Lw/n7n3+LhxOqIu+tOGS7UplTqR3p4WQGu2g+XV9wSu4dvLplZGn/40XtiXJA0+r VsXivQ4IR/Vjd8sNLLixfmuH4g4CbMSblQvECD3/5wFTeSH8T6/gyts/WV/LDYOJ jp5kG6HCFHMv7RaiaHdZ0Pe4c1xJ/Ek8TnrW4G/kPBaLzm+lhjRkfzxCx8cO0k0H mpoheUohLtUSgfLf49826t7rp3HDuX9db2hiGXQfKSrL2milwufKNaMFTmbuU2Uq IyAwR1CEdSsKlcpbnVNF05r94sjf8NjuBD3YWxB9OfVXq9aymJYZdGh54XT5nF3f ccD1WNnOoTsXDbEAnuVx+EYrJAI70e7vE4m8XbpxJcxhFoSIQCmtDoXUY199LiEG El7DlwouNFESmOIj6gSK7ogUEhmcQA0AJxBVpdxnGBAcQMn1hrGSb75VGg7rul8K HcBtf5j4gxZum2fzrufeY1+eBxfSRjNFIsnutAr53gEtidPZYlmiRyAuqQJMo2sO 0hlpC6gQGQJ5HiTR5Jbo9u+OC1oeHHXNN5IpNrd6J65n0pqCRldDsoXCerEJsOou cqWzb9lfQCrjRnWRxUWOLukdYRgBH15wuORU+Z7/qVhqOr49RvARnzq7AjGSenTS YKb2N+NGlqpxG+vQscFJUA== =XCdn -----END PGP SIGNATURE----- Merge tag 'for-net-next-2025-03-25' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next Luiz Augusto von Dentz says: ==================== bluetooth-next pull request for net-next: core: - Add support for skb TX SND/COMPLETION timestamping - hci_core: Enable buffer flow control for SCO/eSCO - coredump: Log devcd dumps into the monitor drivers: - btusb: Add 2 HWIDs for MT7922 - btusb: Fix regression in the initialization of fake Bluetooth controllers - btusb: Add 14 USB device IDs for Qualcomm WCN785x - btintel: Add support for Intel Scorpius Peak - btintel: Add support to configure TX power - btintel: Add DSBR support for ScP - btintel_pcie: Add device id of Whale Peak - btintel_pcie: Setup buffers for firmware traces - btintel_pcie: Read hardware exception data - btintel_pcie: Add support for device coredump - btintel_pcie: Trigger device coredump on hardware exception - btnxpuart: Support for controller wakeup gpio config - btnxpuart: Add support to set BD address - btnxpuart: Add correct bootloader error codes - btnxpuart: Handle bootloader error during cmd5 and cmd7 - btnxpuart: Fix kernel panic during FW release - qca: add WCN3950 support - hci_qca: use the power sequencer for wcn6750 - btmtksdio: Prevent enabling interrupts after IRQ handler removal * tag 'for-net-next-2025-03-25' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (53 commits) Bluetooth: MGMT: Add LL Privacy Setting Bluetooth: hci_event: Fix handling of HCI_EV_LE_DIRECT_ADV_REPORT Bluetooth: btnxpuart: Fix kernel panic during FW release Bluetooth: btnxpuart: Handle bootloader error during cmd5 and cmd7 Bluetooth: btnxpuart: Add correct bootloader error codes t blameBluetooth: btintel: Fix leading white space Bluetooth: btintel: Add support to configure TX power Bluetooth: btmtksdio: Prevent enabling interrupts after IRQ handler removal Bluetooth: btmtk: Remove the resetting step before downloading the fw Bluetooth: SCO: add TX timestamping Bluetooth: L2CAP: add TX timestamping Bluetooth: ISO: add TX timestamping Bluetooth: add support for skb TX SND/COMPLETION timestamping net-timestamp: COMPLETION timestamp on packet tx completion HCI: coredump: Log devcd dumps into the monitor Bluetooth: HCI: Add definition of hci_rp_remote_name_req_cancel Bluetooth: hci_vhci: Mark Sync Flow Control as supported Bluetooth: hci_core: Enable buffer flow control for SCO/eSCO Bluetooth: btintel_pci: Fix build warning Bluetooth: btintel_pcie: Trigger device coredump on hardware exception ... ==================== Link: https://patch.msgid.link/20250325192925.2497890-1-luiz.dentz@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Luiz Augusto von Dentz
|
eed14eb510 |
Bluetooth: MGMT: Add LL Privacy Setting
This adds LL Privacy (bit 22) to Read Controller Information so the likes
of bluetoothd(1) can detect when the controller supports it or not.
Fixes:
|
||
|
Eric Dumazet
|
f1e30061e8 |
tcp/dccp: remove icsk->icsk_ack.timeout
icsk->icsk_ack.timeout can be replaced by icsk->csk_delack_timer.expires This saves 8 bytes in TCP/DCCP sockets and helps for better cache locality. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://patch.msgid.link/20250324203607.703850-3-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Eric Dumazet
|
a7c428ee8f |
tcp/dccp: remove icsk->icsk_timeout
icsk->icsk_timeout can be replaced by icsk->icsk_retransmit_timer.expires This saves 8 bytes in TCP/DCCP sockets and helps for better cache locality. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://patch.msgid.link/20250324203607.703850-2-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
310ae9eb26 |
net: designate queue -> napi linking as "ops protected"
netdev netlink is the only reader of netdev_{,rx_}queue->napi,
and it already holds netdev->lock. Switch protection of
the writes to netdev->lock to "ops protected".
The expectation will be now that accessing queue->napi
will require netdev->lock for "ops locked" drivers, and
rtnl_lock for all other drivers.
Current "ops locked" drivers don't require any changes.
gve and netdevsim use _locked() helpers right next to
netif_queue_set_napi() so they must be holding the instance
lock. iavf doesn't call it. bnxt is a bit messy but all paths
seem locked.
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250324224537.248800-7-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Jakub Kicinski
|
4b702f8b72 |
net: explain "protection types" for the instance lock
Try to define some terminology for which fields are protected by which lock and how. Some fields are protected by both rtnl_lock and instance lock which is hard to talk about without having a "key phrase" to refer to a particular protection scheme. "ops protected" fields are defined later in the series, one by one. Add ASSERT_RTNL() to netdev_ops_assert_locked() for drivers not other instance protection of ops. Hopefully it's not too confusion that netdev_lock_ops() does not match the lock which netdev_ops_assert_locked() will assert, exactly. The noun "ops" is in a different place in the name, so I think it's acceptable... Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250324224537.248800-5-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
e2f81e8f4d |
net: constify dev pointer in misc instance lock helpers
lockdep asserts and predicates can operate on const pointers. In the future this will let us add asserts in functions which operate on const pointers like dev_get_min_mp_channel_count(). Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250324224537.248800-4-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Pauli Virtanen
|
11770f41b8 |
Bluetooth: L2CAP: add TX timestamping
Support TX timestamping in L2CAP sockets. Support MSG_ERRQUEUE recvmsg. For other than SOCK_STREAM L2CAP sockets, if a packet from sendmsg() is fragmented, only the first ACL fragment is timestamped. For SOCK_STREAM L2CAP sockets, use the bytestream convention and timestamp the last fragment and count bytes in tskey. Timestamps are not generated in the Enhanced Retransmission mode, as meaning of COMPLETION stamp is unclear if L2CAP layer retransmits. Signed-off-by: Pauli Virtanen <pav@iki.fi> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> |
||
|
Pauli Virtanen
|
d415ba2882 |
Bluetooth: ISO: add TX timestamping
Add BT_SCM_ERROR socket CMSG type. Support TX timestamping in ISO sockets. Support MSG_ERRQUEUE in ISO recvmsg. If a packet from sendmsg() is fragmented, only the first ACL fragment is timestamped. Signed-off-by: Pauli Virtanen <pav@iki.fi> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> |
||
|
Pauli Virtanen
|
134f4b39df |
Bluetooth: add support for skb TX SND/COMPLETION timestamping
Support enabling TX timestamping for some skbs, and track them until packet completion. Generate software SCM_TSTAMP_COMPLETION when getting completion report from hardware. Generate software SCM_TSTAMP_SND before sending to driver. Sending from driver requires changes in the driver API, and drivers mostly are going to send the skb immediately. Make the default situation with no COMPLETION TX timestamping more efficient by only counting packets in the queue when there is nothing to track. When there is something to track, we need to make clones, since the driver may modify sent skbs. The tx_q queue length is bounded by the hdev flow control, which will not send new packets before it has got completion reports for old ones. Signed-off-by: Pauli Virtanen <pav@iki.fi> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> |
||
|
Wentao Guan
|
e8c00f5433 |
Bluetooth: HCI: Add definition of hci_rp_remote_name_req_cancel
Return Parameters is not only status, also bdaddr:
BLUETOOTH CORE SPECIFICATION Version 5.4 | Vol 4, Part E
page 1870:
BLUETOOTH CORE SPECIFICATION Version 5.0 | Vol 2, Part E
page 802:
Return parameters:
Status:
Size: 1 octet
BD_ADDR:
Size: 6 octets
Note that it also fixes the warning:
"Bluetooth: hci0: unexpected cc 0x041a length: 7 > 1"
Fixes:
|
||
|
Luiz Augusto von Dentz
|
1321845352 |
Bluetooth: hci_core: Enable buffer flow control for SCO/eSCO
This enables buffer flow control for SCO/eSCO
(see: Bluetooth Core 6.0 spec: 6.22. Synchronous Flow Control Enable),
recently this has caused the following problem and is actually a nice
addition for the likes of Socket TX complete:
< HCI Command: Read Buffer Size (0x04|0x0005) plen 0
> HCI Event: Command Complete (0x0e) plen 11
Read Buffer Size (0x04|0x0005) ncmd 1
Status: Success (0x00)
ACL MTU: 1021 ACL max packet: 5
SCO MTU: 240 SCO max packet: 8
...
< SCO Data TX: Handle 257 flags 0x00 dlen 120
< SCO Data TX: Handle 257 flags 0x00 dlen 120
< SCO Data TX: Handle 257 flags 0x00 dlen 120
< SCO Data TX: Handle 257 flags 0x00 dlen 120
< SCO Data TX: Handle 257 flags 0x00 dlen 120
< SCO Data TX: Handle 257 flags 0x00 dlen 120
< SCO Data TX: Handle 257 flags 0x00 dlen 120
< SCO Data TX: Handle 257 flags 0x00 dlen 120
< SCO Data TX: Handle 257 flags 0x00 dlen 120
> HCI Event: Hardware Error (0x10) plen 1
Code: 0x0a
To fix the code will now attempt to enable buffer flow control when
HCI_QUIRK_SYNC_FLOWCTL_SUPPORTED is set by the driver:
< HCI Command: Write Sync Fl.. (0x03|0x002f) plen 1
Flow control: Enabled (0x01)
> HCI Event: Command Complete (0x0e) plen 4
Write Sync Flow Control Enable (0x03|0x002f) ncmd 1
Status: Success (0x00)
On success then HCI_SCO_FLOWCTL would be set which indicates sco_cnt
shall be used for flow contro.
Fixes:
|
||
|
Pedro Nishiyama
|
127881334e |
Bluetooth: Add quirk for broken READ_PAGE_SCAN_TYPE
Some fake controllers cannot be initialized because they return a smaller report than expected for READ_PAGE_SCAN_TYPE. Signed-off-by: Pedro Nishiyama <nishiyama.pedro@gmail.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> |
||
|
Pedro Nishiyama
|
ff26b2dd65 |
Bluetooth: Add quirk for broken READ_VOICE_SETTING
Some fake controllers cannot be initialized because they return a smaller report than expected for READ_VOICE_SETTING. Signed-off-by: Pedro Nishiyama <nishiyama.pedro@gmail.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> |
||
|
Easwar Hariharan
|
c9d84da18d |
Bluetooth: L2CAP: convert timeouts to secs_to_jiffies()
Commit
|
||
|
Dr. David Alan Gilbert
|
60bfe8a7dc |
Bluetooth: MGMT: Remove unused mgmt_*_discovery_complete
mgmt_start_discovery_complete() and mgmt_stop_discovery_complete() last
uses were removed in 2022 by
commit
|
||
|
Jakub Kicinski
|
1f6154227b |
Revert "udp_tunnel: GRO optimizations"
Revert "udp_tunnel: use static call for GRO hooks when possible" This reverts commit |
||
|
Jakub Kicinski
|
586b7b3ebb |
ipsec-next-2025-03-24
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEH7ZpcWbFyOOp6OJbrB3Eaf9PW7cFAmfg9oUACgkQrB3Eaf9P W7d8eRAAhUdQztUoVjNfRBScD34EHEBq8ruFMgbHcXkkdhg223CUaTYKqz3dYE1E 04OCSwe7yxFFSs7CKR4dRMSzcx7uH/ISPprk45g+wwoIzBCYOWjLBzS5qmamtSYu E3sI/QZaVUU7mFDg5n3sr5nkCNz+LtTL2dUbOgi5AOqY9h7LZRzLBEB1RCVOioVO 14vDRBJ5RGIvmNx3pd0sRhB4BySUw1GQVTYLSFaL/V2JZcRu3yGhKT8q637fdKcS blvdf5q4CYyu5i3p9LHhsg33D8fYUotBVFtzw3QaM1G9MdyhMF4WUbeZCa2kkk7J N7j2N0WDjP7crKQkPbm9ATQiruF2zvPcYJqgIHKuNhWY35KNIFARWxbP8KGJJFUI EqUUKuT0lUi39hULmm5YEqCGWLNQldTBOOZL1fccRj2DZelx4uhQsnt5B2yimUCD 7QJGH0Vx6NJAutuCgTXQtmD0qO2XYi50XLmh4K+HZ1M3DkSGohcYSz+aj8IIY/wT +yT55uRoONqDbh9kOLHab0WWE6R+XJyY5rKnz6XpzyTPh0OwoxrbVXJF045NYIpB tSl9ykVpymvWNT56nsfXEOm5THZhdvL+uDS/QV4rtF9En4TEJU0dGbhESvriuu2j g6EAQpYJqL9OwA5aKVZCGlHf7siji7Z/uc57DADZ8mtmDXVMqco= =9RMg -----END PGP SIGNATURE----- Merge tag 'ipsec-next-2025-03-24' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next Steffen Klassert says: ==================== pull request (net-next): ipsec-next 2025-03-24 1) Prevent setting high order sequence number bits input in non-ESN mode. From Leon Romanovsky. 2) Support PMTU handling in tunnel mode for packet offload. From Leon Romanovsky. 3) Make xfrm_state_lookup_byaddr lockless. From Florian Westphal. 4) Remove unnecessary NULL check in xfrm_lookup_with_ifid(). From Dan Carpenter. * tag 'ipsec-next-2025-03-24' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next: xfrm: Remove unnecessary NULL check in xfrm_lookup_with_ifid() xfrm: state: make xfrm_state_lookup_byaddr lockless xfrm: check for PMTU in tunnel mode for packet offload xfrm: provide common xdo_dev_offload_ok callback implementation xfrm: rely on XFRM offload xfrm: simplify SA initialization routine xfrm: delay initialization of offload path till its actually requested xfrm: prevent high SEQ input in non-ESN mode ==================== Link: https://patch.msgid.link/20250324061855.4116819-1-steffen.klassert@secunet.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
00a25cca0d |
netfilter pull request 25-03-23
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||
|
Eric Dumazet
|
f3483c8e1d |
net: rfs: hash function change
RFS is using two kinds of hash tables. First one is controlled by /proc/sys/net/core/rps_sock_flow_entries = 2^N and using the N low order bits of the l4 hash is good enough. Then each RX queue has its own hash table, controlled by /sys/class/net/eth1/queues/rx-$q/rps_flow_cnt = 2^X Current hash function, using the X low order bits is suboptimal, because RSS is usually using Func(hash) = (hash % power_of_two); For example, with 32 RX queues, 6 low order bits have no entropy for a given queue. Switch this hash function to hash_32(hash, log) to increase chances to use all possible slots and reduce collisions. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Tom Herbert <tom@herbertland.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250321171309.634100-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
1952e19c02 |
More features for 6.15, major changes:
* cfg80211/mac80211: fix and enable link reconfiguration
* rtw88: support RTL8814AE/RTL8814AU
* mt7996: preparations for MLO
* ath12k: continued work on MLO
* iwlwifi: add new iwlmld sub-driver/op-mode for
some current and future devices
* wfx: wowlan support
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Merge tag 'wireless-next-2025-03-20' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says:
====================
More features for 6.15, major changes:
* cfg80211/mac80211: fix and enable link reconfiguration
* rtw88: support RTL8814AE/RTL8814AU
* mt7996: preparations for MLO
* ath12k: continued work on MLO
* iwlwifi: add new iwlmld sub-driver/op-mode for
some current and future devices
* wfx: wowlan support
* tag 'wireless-next-2025-03-20' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (311 commits)
wifi: mt76: mt7996: fix locking in mt7996_mac_sta_rc_work()
wifi: mt76: mt76x2u: add TP-Link TL-WDN6200 ID to device table
wifi: mt76: mt792x: re-register CHANCTX_STA_CSA only for the mt7921 series
wifi: mt76: mt7996: Update mt7996_tx to MLO support
wifi: mt76: mt7996: rework mt7996_ampdu_action to support MLO
wifi: mt76: mt7996: rework set/get_tsf callabcks to support MLO
wifi: mt76: mt7996: set vif default link_id adding/removing vif links
wifi: mt76: mt7996: rework mt7996_mcu_beacon_inband_discov to support MLO
wifi: mt76: mt7996: rework mt7996_mcu_add_obss_spr to support MLO
wifi: mt76: mt7996: rework mt7996_net_fill_forward_path to support MLO
wifi: mt76: mt7996: rework mt7996_update_mu_group to support MLO
wifi: mt76: mt7996: rework mt7996_mac_sta_poll to support MLO
wifi: mt76: mt7996: rework mt7996_mac_sta_rc_work to support MLO
wifi: mt76: mt7996: remove mt7996_mac_enable_rtscts()
wifi: mt76: mt7996: rework mt7996_sta_hw_queue_read to support MLO
wifi: mt76: mt7996: rework mt7996_set_hw_key to support MLO
wifi: mt76: mt7996: Add mt7996_sta_link to mt7996_mcu_add_bss_info signature
wifi: mt76: mt7996: rework mt7996_sta_set_4addr and mt7996_sta_set_decap_offload to support MLO
wifi: mt76: mt7996: rework mt7996_rx_get_wcid to support MLO
wifi: mt76: mt7996: Rely on wcid_to_sta in mt7996_mac_add_txs_skb()
...
====================
Link: https://patch.msgid.link/20250320131106.33266-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Wang Liang
|
094ee6017e |
bonding: check xdp prog when set bond mode
Following operations can trigger a warning[1]:
ip netns add ns1
ip netns exec ns1 ip link add bond0 type bond mode balance-rr
ip netns exec ns1 ip link set dev bond0 xdp obj af_xdp_kern.o sec xdp
ip netns exec ns1 ip link set bond0 type bond mode broadcast
ip netns del ns1
When delete the namespace, dev_xdp_uninstall() is called to remove xdp
program on bond dev, and bond_xdp_set() will check the bond mode. If bond
mode is changed after attaching xdp program, the warning may occur.
Some bond modes (broadcast, etc.) do not support native xdp. Set bond mode
with xdp program attached is not good. Add check for xdp program when set
bond mode.
[1]
------------[ cut here ]------------
WARNING: CPU: 0 PID: 11 at net/core/dev.c:9912 unregister_netdevice_many_notify+0x8d9/0x930
Modules linked in:
CPU: 0 UID: 0 PID: 11 Comm: kworker/u4:0 Not tainted 6.14.0-rc4 #107
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:unregister_netdevice_many_notify+0x8d9/0x930
Code: 00 00 48 c7 c6 6f e3 a2 82 48 c7 c7 d0 b3 96 82 e8 9c 10 3e ...
RSP: 0018:ffffc90000063d80 EFLAGS: 00000282
RAX: 00000000ffffffa1 RBX: ffff888004959000 RCX: 00000000ffffdfff
RDX: 0000000000000000 RSI: 00000000ffffffea RDI: ffffc90000063b48
RBP: ffffc90000063e28 R08: ffffffff82d39b28 R09: 0000000000009ffb
R10: 0000000000000175 R11: ffffffff82d09b40 R12: ffff8880049598e8
R13: 0000000000000001 R14: dead000000000100 R15: ffffc90000045000
FS: 0000000000000000(0000) GS:ffff888007a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000d406b60 CR3: 000000000483e000 CR4: 00000000000006f0
Call Trace:
<TASK>
? __warn+0x83/0x130
? unregister_netdevice_many_notify+0x8d9/0x930
? report_bug+0x18e/0x1a0
? handle_bug+0x54/0x90
? exc_invalid_op+0x18/0x70
? asm_exc_invalid_op+0x1a/0x20
? unregister_netdevice_many_notify+0x8d9/0x930
? bond_net_exit_batch_rtnl+0x5c/0x90
cleanup_net+0x237/0x3d0
process_one_work+0x163/0x390
worker_thread+0x293/0x3b0
? __pfx_worker_thread+0x10/0x10
kthread+0xec/0x1e0
? __pfx_kthread+0x10/0x10
? __pfx_kthread+0x10/0x10
ret_from_fork+0x2f/0x50
? __pfx_kthread+0x10/0x10
ret_from_fork_asm+0x1a/0x30
</TASK>
---[ end trace 0000000000000000 ]---
Fixes:
|
||
|
Eric Dumazet
|
0de2a5c4b8 |
tcp: avoid atomic operations on sk->sk_rmem_alloc
TCP uses generic skb_set_owner_r() and sock_rfree() for received packets, with socket lock being owned. Switch to private versions, avoiding two atomic operations per packet. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Neal Cardwell <ncardwell@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://patch.msgid.link/20250320121604.3342831-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Eric Dumazet
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b709857ecb |
ipv6: fix _DEVADD() and _DEVUPD() macros
ip6_rcv_core() is using: __IP6_ADD_STATS(net, idev, IPSTATS_MIB_NOECTPKTS + (ipv6_get_dsfield(hdr) & INET_ECN_MASK), max_t(unsigned short, 1, skb_shinfo(skb)->gso_segs)); This is currently evaluating both expressions twice. Fix _DEVADD() and _DEVUPD() macros to evaluate their arguments once. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250319212516.2385451-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Kuniyuki Iwashima
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3056172a26 |
af_unix: Explicitly include headers for non-pointer struct fields.
include/net/af_unix.h indirectly includes some definitions for structs. Let's include such headers explicitly. linux/atomic.h : scm_stat.nr_fds linux/net.h : unix_sock.peer_wq linux/path.h : unix_sock.path linux/spinlock.h : unix_sock.lock linux/wait.h : unix_sock.peer_wake uapi/linux/un.h : unix_address.name[] linux/socket.h is removed as the structs there are not used directly, and linux/un.h is clarified with uapi as un.h only exists under include/uapi. While at it, duplicate headers are removed from .c files. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://patch.msgid.link/20250318034934.86708-4-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Kuniyuki Iwashima
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84960bf240 |
af_unix: Move internal definitions to net/unix/.
net/af_unix.h is included by core and some LSMs, but most definitions
need not be.
Let's move struct unix_{vertex,edge} to net/unix/garbage.c and other
definitions to net/unix/af_unix.h.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250318034934.86708-3-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Kuniyuki Iwashima
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f9af583a2c |
af_unix: Sort headers.
This is a prep patch to make the following changes cleaner. No functional change intended. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Reviewed-by: Joe Damato <jdamato@fastly.com> Link: https://patch.msgid.link/20250318034934.86708-2-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Jason Xing
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f38805c5d2 |
tcp: support TCP_RTO_MIN_US for set/getsockopt use
Support adjusting/reading RTO MIN for socket level by using set/getsockopt(). This new option has the same effect as TCP_BPF_RTO_MIN, which means it doesn't affect RTAX_RTO_MIN usage (by using ip route...). Considering that bpf option was implemented before this patch, so we need to use a standalone new option for pure tcp set/getsockopt() use. When the socket is created, its icsk_rto_min is set to the default value that is controlled by sysctl_tcp_rto_min_us. Then if application calls setsockopt() with TCP_RTO_MIN_US flag to pass a valid value, then icsk_rto_min will be overridden in jiffies unit. This patch adds WRITE_ONCE/READ_ONCE to avoid data-race around icsk_rto_min. Signed-off-by: Jason Xing <kerneljasonxing@gmail.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20250317120314.41404-2-kerneljasonxing@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Paolo Abeni
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c353e8983e |
net: introduce per netns packet chains
Currently network taps unbound to any interface are linked in the global ptype_all list, affecting the performance in all the network namespaces. Add per netns ptypes chains, so that in the mentioned case only the netns owning the packet socket(s) is affected. While at that drop the global ptype_all list: no in kernel user registers a tap on "any" type without specifying either the target device or the target namespace (and IMHO doing that would not make any sense). Note that this adds a conditional in the fast path (to check for per netns ptype_specific list) and increases the dataset size by a cacheline (owing the per netns lists). Reviewed-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Eric Dumazet <edumaze@google.com> Link: https://patch.msgid.link/ae405f98875ee87f8150c460ad162de7e466f8a7.1742494826.git.pabeni@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |