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syzkaller reported UAF in kcm_release(). [0]
The scenario is
1. Thread A builds a skb with MSG_MORE and sets kcm->seq_skb.
2. Thread A resumes building skb from kcm->seq_skb but is blocked
by sk_stream_wait_memory()
3. Thread B calls sendmsg() concurrently, finishes building kcm->seq_skb
and puts the skb to the write queue
4. Thread A faces an error and finally frees skb that is already in the
write queue
5. kcm_release() does double-free the skb in the write queue
When a thread is building a MSG_MORE skb, another thread must not touch it.
Let's add a per-sk mutex and serialise kcm_sendmsg().
[0]:
BUG: KASAN: slab-use-after-free in __skb_unlink include/linux/skbuff.h:2366 [inline]
BUG: KASAN: slab-use-after-free in __skb_dequeue include/linux/skbuff.h:2385 [inline]
BUG: KASAN: slab-use-after-free in __skb_queue_purge_reason include/linux/skbuff.h:3175 [inline]
BUG: KASAN: slab-use-after-free in __skb_queue_purge include/linux/skbuff.h:3181 [inline]
BUG: KASAN: slab-use-after-free in kcm_release+0x170/0x4c8 net/kcm/kcmsock.c:1691
Read of size 8 at addr ffff0000ced0fc80 by task syz-executor329/6167
CPU: 1 PID: 6167 Comm: syz-executor329 Tainted: G B 6.8.0-rc5-syzkaller-g9abbc24128bc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call trace:
dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:291
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:298
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x178/0x518 mm/kasan/report.c:488
kasan_report+0xd8/0x138 mm/kasan/report.c:601
__asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381
__skb_unlink include/linux/skbuff.h:2366 [inline]
__skb_dequeue include/linux/skbuff.h:2385 [inline]
__skb_queue_purge_reason include/linux/skbuff.h:3175 [inline]
__skb_queue_purge include/linux/skbuff.h:3181 [inline]
kcm_release+0x170/0x4c8 net/kcm/kcmsock.c:1691
__sock_release net/socket.c:659 [inline]
sock_close+0xa4/0x1e8 net/socket.c:1421
__fput+0x30c/0x738 fs/file_table.c:376
____fput+0x20/0x30 fs/file_table.c:404
task_work_run+0x230/0x2e0 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0x618/0x1f64 kernel/exit.c:871
do_group_exit+0x194/0x22c kernel/exit.c:1020
get_signal+0x1500/0x15ec kernel/signal.c:2893
do_signal+0x23c/0x3b44 arch/arm64/kernel/signal.c:1249
do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148
exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:713
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Allocated by task 6166:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x40/0x78 mm/kasan/common.c:68
kasan_save_alloc_info+0x70/0x84 mm/kasan/generic.c:626
unpoison_slab_object mm/kasan/common.c:314 [inline]
__kasan_slab_alloc+0x74/0x8c mm/kasan/common.c:340
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3813 [inline]
slab_alloc_node mm/slub.c:3860 [inline]
kmem_cache_alloc_node+0x204/0x4c0 mm/slub.c:3903
__alloc_skb+0x19c/0x3d8 net/core/skbuff.c:641
alloc_skb include/linux/skbuff.h:1296 [inline]
kcm_sendmsg+0x1d3c/0x2124 net/kcm/kcmsock.c:783
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
sock_sendmsg+0x220/0x2c0 net/socket.c:768
splice_to_socket+0x7cc/0xd58 fs/splice.c:889
do_splice_from fs/splice.c:941 [inline]
direct_splice_actor+0xec/0x1d8 fs/splice.c:1164
splice_direct_to_actor+0x438/0xa0c fs/splice.c:1108
do_splice_direct_actor fs/splice.c:1207 [inline]
do_splice_direct+0x1e4/0x304 fs/splice.c:1233
do_sendfile+0x460/0xb3c fs/read_write.c:1295
__do_sys_sendfile64 fs/read_write.c:1362 [inline]
__se_sys_sendfile64 fs/read_write.c:1348 [inline]
__arm64_sys_sendfile64+0x160/0x3b4 fs/read_write.c:1348
__invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Freed by task 6167:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x40/0x78 mm/kasan/common.c:68
kasan_save_free_info+0x5c/0x74 mm/kasan/generic.c:640
poison_slab_object+0x124/0x18c mm/kasan/common.c:241
__kasan_slab_free+0x3c/0x78 mm/kasan/common.c:257
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2121 [inline]
slab_free mm/slub.c:4299 [inline]
kmem_cache_free+0x15c/0x3d4 mm/slub.c:4363
kfree_skbmem+0x10c/0x19c
__kfree_skb net/core/skbuff.c:1109 [inline]
kfree_skb_reason+0x240/0x6f4 net/core/skbuff.c:1144
kfree_skb include/linux/skbuff.h:1244 [inline]
kcm_release+0x104/0x4c8 net/kcm/kcmsock.c:1685
__sock_release net/socket.c:659 [inline]
sock_close+0xa4/0x1e8 net/socket.c:1421
__fput+0x30c/0x738 fs/file_table.c:376
____fput+0x20/0x30 fs/file_table.c:404
task_work_run+0x230/0x2e0 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0x618/0x1f64 kernel/exit.c:871
do_group_exit+0x194/0x22c kernel/exit.c:1020
get_signal+0x1500/0x15ec kernel/signal.c:2893
do_signal+0x23c/0x3b44 arch/arm64/kernel/signal.c:1249
do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148
exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:713
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
The buggy address belongs to the object at ffff0000ced0fc80
which belongs to the cache skbuff_head_cache of size 240
The buggy address is located 0 bytes inside of
freed 240-byte region [ffff0000ced0fc80, ffff0000ced0fd70)
The buggy address belongs to the physical page:
page:00000000d35f4ae4 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10ed0f
flags: 0x5ffc00000000800(slab|node=0|zone=2|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 05ffc00000000800 ffff0000c1cbf640 fffffdffc3423100 dead000000000004
raw: 0000000000000000 00000000000c000c 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0000ced0fb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff0000ced0fc00: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc
>ffff0000ced0fc80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff0000ced0fd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
ffff0000ced0fd80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
Fixes: ab7ac4eb9832 ("kcm: Kernel Connection Multiplexor module")
Reported-by: syzbot+b72d86aa5df17ce74c60@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=b72d86aa5df17ce74c60
Tested-by: syzbot+b72d86aa5df17ce74c60@syzkaller.appspotmail.com
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20240815220437.69511-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Luiz Augusto von Dentz says:
====================
bluetooth pull request for net:
- MGMT: Add error handling to pair_device()
- HCI: Invert LE State quirk to be opt-out rather then opt-in
- hci_core: Fix LE quote calculation
- SMP: Fix assumption of Central always being Initiator
* tag 'for-net-2024-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
Bluetooth: MGMT: Add error handling to pair_device()
Bluetooth: SMP: Fix assumption of Central always being Initiator
Bluetooth: hci_core: Fix LE quote calculation
Bluetooth: HCI: Invert LE State quirk to be opt-out rather then opt-in
====================
Link: https://patch.msgid.link/20240815171950.1082068-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This inverts the LE State quirk so by default we assume the controllers
would report valid states rather than invalid which is how quirks
normally behave, also this would result in HCI command failing it the LE
States are really broken thus exposing the controllers that are really
broken in this respect.
Link: https://github.com/bluez/bluez/issues/584
Fixes: 220915857e29 ("Bluetooth: Adding driver and quirk defs for multi-role LE")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Through code analysis, I realized that the ds->untag_bridge_pvid logic
is contradictory - see the newly added FIXME above the kernel-doc for
dsa_software_untag_vlan_unaware_bridge().
Moreover, for the Felix driver, I need something very similar, but which
is actually _not_ contradictory: untag the bridge PVID on RX, but for
VLAN-aware bridges. The existing logic does it for VLAN-unaware bridges.
Since I don't want to change the functionality of drivers which were
supposedly properly tested with the ds->untag_bridge_pvid flag, I have
introduced a new one: ds->untag_vlan_aware_bridge_pvid, and I have
refactored the DSA reception code into a common path for both flags.
TODO: both flags should be unified under a single ds->software_vlan_untag,
which users of both current flags should set. This is not something that
can be carried out right away. It needs very careful examination of all
drivers which make use of this functionality, since some of them
actually get this wrong in the first place.
For example, commit 9130c2d30c17 ("net: dsa: microchip: ksz8795: Use
software untagging on CPU port") uses this in a driver which has
ds->configure_vlan_while_not_filtering = true. The latter mechanism has
been known for many years to be broken by design:
https://lore.kernel.org/netdev/CABumfLzJmXDN_W-8Z=p9KyKUVi_HhS7o_poBkeKHS2BkAiyYpw@mail.gmail.com/
and we have the situation of 2 bugs canceling each other. There is no
private VLAN, and the port follows the PVID of the VLAN-unaware bridge.
So, it's kinda ok for that driver to use the ds->untag_bridge_pvid
mechanism, in a broken way.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After a vsock socket has been added to a BPF sockmap, its prot->recvmsg
has been replaced with vsock_bpf_recvmsg(). Thus the following
recursiion could happen:
vsock_bpf_recvmsg()
-> __vsock_recvmsg()
-> vsock_connectible_recvmsg()
-> prot->recvmsg()
-> vsock_bpf_recvmsg() again
We need to fix it by calling the original ->recvmsg() without any BPF
sockmap logic in __vsock_recvmsg().
Fixes: 634f1a7110b4 ("vsock: support sockmap")
Reported-by: syzbot+bdb4bd87b5e22058e2a4@syzkaller.appspotmail.com
Tested-by: syzbot+bdb4bd87b5e22058e2a4@syzkaller.appspotmail.com
Cc: Bobby Eshleman <bobby.eshleman@bytedance.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Cong Wang <cong.wang@bytedance.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://patch.msgid.link/20240812022153.86512-1-xiyou.wangcong@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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doorbell rings
After napi_complete_done() is called when NAPI is polling in the current
process context, another NAPI may be scheduled and start running in
softirq on another CPU and may ring the doorbell before the current CPU
does. When combined with unnecessary rings when there is no need to arm
the CQ, it triggers error paths in the hardware.
This patch fixes this by calling napi_complete_done() after doorbell
rings. It limits the number of unnecessary rings when there is
no need to arm. MANA hardware specifies that there must be one doorbell
ring every 8 CQ wraparounds. This driver guarantees one doorbell ring as
soon as the number of consumed CQEs exceeds 4 CQ wraparounds. In practical
workloads, the 4 CQ wraparounds proves to be big enough that it rarely
exceeds this limit before all the napi weight is consumed.
To implement this, add a per-CQ counter cq->work_done_since_doorbell,
and make sure the CQ is armed as soon as passing 4 wraparounds of the CQ.
Cc: stable@vger.kernel.org
Fixes: e1b5683ff62e ("net: mana: Move NAPI from EQ to CQ")
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Long Li <longli@microsoft.com>
Link: https://patch.msgid.link/1723219138-29887-1-git-send-email-longli@linuxonhyperv.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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const qualify the struct ctl_table argument in the proc_handler function
signatures. This is a prerequisite to moving the static ctl_table
structs into .rodata data which will ensure that proc_handler function
pointers cannot be modified.
This patch has been generated by the following coccinelle script:
```
virtual patch
@r1@
identifier ctl, write, buffer, lenp, ppos;
identifier func !~ "appldata_(timer|interval)_handler|sched_(rt|rr)_handler|rds_tcp_skbuf_handler|proc_sctp_do_(hmac_alg|rto_min|rto_max|udp_port|alpha_beta|auth|probe_interval)";
@@
int func(
- struct ctl_table *ctl
+ const struct ctl_table *ctl
,int write, void *buffer, size_t *lenp, loff_t *ppos);
@r2@
identifier func, ctl, write, buffer, lenp, ppos;
@@
int func(
- struct ctl_table *ctl
+ const struct ctl_table *ctl
,int write, void *buffer, size_t *lenp, loff_t *ppos)
{ ... }
@r3@
identifier func;
@@
int func(
- struct ctl_table *
+ const struct ctl_table *
,int , void *, size_t *, loff_t *);
@r4@
identifier func, ctl;
@@
int func(
- struct ctl_table *ctl
+ const struct ctl_table *ctl
,int , void *, size_t *, loff_t *);
@r5@
identifier func, write, buffer, lenp, ppos;
@@
int func(
- struct ctl_table *
+ const struct ctl_table *
,int write, void *buffer, size_t *lenp, loff_t *ppos);
```
* Code formatting was adjusted in xfs_sysctl.c to comply with code
conventions. The xfs_stats_clear_proc_handler,
xfs_panic_mask_proc_handler and xfs_deprecated_dointvec_minmax where
adjusted.
* The ctl_table argument in proc_watchdog_common was const qualified.
This is called from a proc_handler itself and is calling back into
another proc_handler, making it necessary to change it as part of the
proc_handler migration.
Co-developed-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Co-developed-by: Joel Granados <j.granados@samsung.com>
Signed-off-by: Joel Granados <j.granados@samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter.
Notably this includes fixes for a s390 build breakage.
Current release - new code bugs:
- eth: fbnic: fix s390 build
- eth: airoha: fix NULL pointer dereference in
airoha_qdma_cleanup_rx_queue()
Previous releases - regressions:
- flow_dissector: use DEBUG_NET_WARN_ON_ONCE
- ipv4: fix incorrect TOS in route get reply
- dsa: fix chip-wide frame size config in some drivers
Previous releases - always broken:
- netfilter: nf_set_pipapo: fix initial map fill
- eth: gve: fix XDP TX completion handling when counters overflow"
* tag 'net-6.11-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net:
eth: fbnic: don't build the driver when skb has more than 21 frags
net: dsa: b53: Limit chip-wide jumbo frame config to CPU ports
net: dsa: mv88e6xxx: Limit chip-wide frame size config to CPU ports
net: airoha: Fix NULL pointer dereference in airoha_qdma_cleanup_rx_queue()
net: wwan: t7xx: add support for Dell DW5933e
ipv4: Fix incorrect TOS in fibmatch route get reply
ipv4: Fix incorrect TOS in route get reply
net: flow_dissector: use DEBUG_NET_WARN_ON_ONCE
driver core: auxiliary bus: Fix documentation of auxiliary_device
net: airoha: fix error branch in airoha_dev_xmit and airoha_set_gdm_ports
gve: Fix XDP TX completion handling when counters overflow
ipvs: properly dereference pe in ip_vs_add_service
selftests: netfilter: add test case for recent mismatch bug
netfilter: nf_set_pipapo: fix initial map fill
netfilter: ctnetlink: use helper function to calculate expect ID
eth: fbnic: fix s390 build.
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The TOS value that is returned to user space in the route get reply is
the one with which the lookup was performed ('fl4->flowi4_tos'). This is
fine when the matched route is configured with a TOS as it would not
match if its TOS value did not match the one with which the lookup was
performed.
However, matching on TOS is only performed when the route's TOS is not
zero. It is therefore possible to have the kernel incorrectly return a
non-zero TOS:
# ip link add name dummy1 up type dummy
# ip address add 192.0.2.1/24 dev dummy1
# ip route get 192.0.2.2 tos 0xfc
192.0.2.2 tos 0x1c dev dummy1 src 192.0.2.1 uid 0
cache
Fix by adding a DSCP field to the FIB result structure (inside an
existing 4 bytes hole), populating it in the route lookup and using it
when filling the route get reply.
Output after the patch:
# ip link add name dummy1 up type dummy
# ip address add 192.0.2.1/24 dev dummy1
# ip route get 192.0.2.2 tos 0xfc
192.0.2.2 dev dummy1 src 192.0.2.1 uid 0
cache
Fixes: 1a00fee4ffb2 ("ipv4: Remove rt_key_{src,dst,tos} from struct rtable.")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Pull rdma updates from Jason Gunthorpe:
"Usual collection of small improvements and fixes:
- Bug fixes and minor improvments in efa, irdma, mlx4, mlx5, rxe,
hf1, qib, ocrdma
- bnxt_re support for MSN, which is a new retransmit logic
- Initial mana support for RC qps
- Use after free bug and cleanups in iwcm
- Reduce resource usage in mlx5 when RDMA verbs features are not used
- New verb to drain shared recieve queues, similar to normal recieve
queues. This is necessary to allow ULPs a clean shutdown. Used in
the iscsi rdma target
- mlx5 support for more than 16 bits of doorbell indexes
- Doorbell moderation support for bnxt_re
- IB multi-plane support for mlx5
- New EFA adaptor PCI IDs
- RDMA_NAME_ASSIGN_TYPE_USER to hint to userspace that it shouldn't
rename the device
- A collection of hns bugs
- Fix long standing bug in bnxt_re with incorrect endian handling of
immediate data"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (65 commits)
IB/hfi1: Constify struct flag_table
RDMA/mana_ib: Set correct device into ib
bnxt_re: Fix imm_data endianness
RDMA: Fix netdev tracker in ib_device_set_netdev
RDMA/hns: Fix mbx timing out before CMD execution is completed
RDMA/hns: Fix insufficient extend DB for VFs.
RDMA/hns: Fix undifined behavior caused by invalid max_sge
RDMA/hns: Fix shift-out-bounds when max_inline_data is 0
RDMA/hns: Fix missing pagesize and alignment check in FRMR
RDMA/hns: Fix unmatch exception handling when init eq table fails
RDMA/hns: Fix soft lockup under heavy CEQE load
RDMA/hns: Check atomic wr length
RDMA/ocrdma: Don't inline statistics functions
RDMA/core: Introduce "name_assign_type" for an IB device
RDMA/qib: Fix truncation compilation warnings in qib_verbs.c
RDMA/qib: Fix truncation compilation warnings in qib_init.c
RDMA/efa: Add EFA 0xefa3 PCI ID
RDMA/mlx5: Support per-plane port IB counters by querying PPCNT register
net/mlx5: mlx5_ifc update for accessing ppcnt register of plane ports
RDMA/mlx5: Add plane index support when querying PTYS registers
...
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Add mana_get_primary_netdev_rcu helper to get a primary
netdevice for a given port. When mana is used with
netvsc, the VF netdev is controlled by an upper netvsc
device. In a baremetal case, the VF netdev is the
primary device.
Use the mana_get_primary_netdev_rcu() helper in the mana_ib
to get the correct device for querying network states.
Fixes: 8b184e4f1c32 ("RDMA/mana_ib: Enable RoCE on port 1")
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1720705077-322-1-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Long Li <longli@microsoft.com>
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Leon Romanovsky says:
====================
net: mana: Allow variable size indirection table
Like we talked, I created new shared branch for this patch:
https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/log/?h=mana-shared
* 'mana-shared' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
net: mana: Allow variable size indirection table
====================
Link: https://lore.kernel.org/all/20240612183051.GE4966@unreal
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Process QP fatal events from the error event queue.
For that, find the QP, using QPN from the event, and then call its
event_handler. To find the QPs, store created RC QPs in an xarray.
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1717754897-19858-1-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Wei Hu <weh@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Merge in late fixes to prepare for the 6.11 net-next PR.
Conflicts:
93c3a96c301f ("net: pse-pd: Do not return EOPNOSUPP if config is null")
4cddb0f15ea9 ("net: ethtool: pse-pd: Fix possible null-deref")
30d7b6727724 ("net: ethtool: Add new power limit get and set features")
https://lore.kernel.org/20240715123204.623520bb@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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By default, an address assigned to the output interface is selected when
the source address is not specified. This is problematic when a route,
configured in a vrf, uses an interface from another vrf (aka route leak).
The original vrf does not own the selected source address.
Let's add a check against the output interface and call the appropriate
function to select the source address.
CC: stable@vger.kernel.org
Fixes: 0d240e7811c4 ("net: vrf: Implement get_saddr for IPv6")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://patch.msgid.link/20240710081521.3809742-3-nicolas.dichtel@6wind.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
pull request (net): ipsec 2024-07-11
1) Fix esp_output_tail_tcp() on unsupported ESPINTCP.
From Hagar Hemdan.
2) Fix two bugs in the recently introduced SA direction separation.
From Antony Antony.
3) Fix unregister netdevice hang on hardware offload. We had to add another
list where skbs linked to that are unlinked from the lists (deleted)
but not yet freed.
4) Fix netdev reference count imbalance in xfrm_state_find.
From Jianbo Liu.
5) Call xfrm_dev_policy_delete when killingi them on offloaded policies.
Jianbo Liu.
* tag 'ipsec-2024-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec:
xfrm: call xfrm_dev_policy_delete when kill policy
xfrm: fix netdev reference count imbalance
xfrm: Export symbol xfrm_dev_state_delete.
xfrm: Fix unregister netdevice hang on hardware offload.
xfrm: Log input direction mismatch error in one place
xfrm: Fix input error path memory access
net: esp: cleanup esp_output_tail_tcp() in case of unsupported ESPINTCP
====================
Link: https://patch.msgid.link/20240711100025.1949454-1-steffen.klassert@secunet.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When offloading xfrm states to hardware, the offloading
device is attached to the skbs secpath. If a skb is free
is deferred, an unregister netdevice hangs because the
netdevice is still refcounted.
Fix this by removing the netdevice from the xfrm states
when the netdevice is unregistered. To find all xfrm states
that need to be cleared we add another list where skbs
linked to that are unlinked from the lists (deleted)
but not yet freed.
Fixes: d77e38e612a0 ("xfrm: Add an IPsec hardware offloading API")
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Now that TCA_FLOWER_KEY_ENC_FLAGS is unused, as it's
former data is stored behind TCA_FLOWER_KEY_ENC_CONTROL,
then remove the last bits of FLOW_DISSECTOR_KEY_ENC_FLAGS.
FLOW_DISSECTOR_KEY_ENC_FLAGS is unreleased, and have been
in net-next since 2024-06-04.
Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Tested-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Link: https://patch.msgid.link/20240713021911.1631517-12-ast@fiberby.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Define new TCA_FLOWER_KEY_FLAGS_* flags for use in struct
flow_dissector_key_control, covering the same flags as
currently exposed through TCA_FLOWER_KEY_ENC_FLAGS.
Put the new flags under FLOW_DIS_F_*. The idea is that we can
later, move the existing flags under FLOW_DIS_F_* as well.
The ynl flag names have been taken from the RFC iproute2 patch.
Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20240713021911.1631517-4-ast@fiberby.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Redefine the flower control flags as an enum, so they are
included in BTF info.
Make the kernel-side enum a more explicit superset of
TCA_FLOWER_KEY_FLAGS_*, new flags still need to be added to
both enums, but at least the bit position only has to be
defined once.
FLOW_DIS_ENCAPSULATION is never set for mask, so it can't be
exposed to userspace in an unsupported flags mask error message,
so it will be placed one bit position above the last uAPI flag.
Suggested-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Link: https://patch.msgid.link/20240713021911.1631517-2-ast@fiberby.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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'struct llc_sap_state_trans' are not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increase overall security.
On a x86_64, with allmodconfig, as an example:
Before:
======
text data bss dec hex filename
339 456 24 819 333 net/llc/llc_s_st.o
After:
=====
text data bss dec hex filename
683 144 0 827 33b net/llc/llc_s_st.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/9d17587639195ee94b74ff06a11ef97d1833ee52.1720973710.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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'struct llc_conn_state_trans' are not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increase overall security.
On a x86_64, with allmodconfig, as an example:
Before:
======
text data bss dec hex filename
13923 10896 32 24851 6113 net/llc/llc_c_st.o
After:
=====
text data bss dec hex filename
21859 3328 0 25187 6263 net/llc/llc_c_st.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/87cda89e4c9414e71d1a54bb1eb491b0e7f70375.1720973029.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Luiz Augusto von Dentz says:
====================
bluetooth-next pull request for net-next:
- qca: use the power sequencer for QCA6390
- btusb: mediatek: add ISO data transmission functions
- hci_bcm4377: Add BCM4388 support
- btintel: Add support for BlazarU core
- btintel: Add support for Whale Peak2
- btnxpuart: Add support for AW693 A1 chipset
- btnxpuart: Add support for IW615 chipset
- btusb: Add Realtek RTL8852BE support ID 0x13d3:0x3591
* tag 'for-net-next-2024-07-15' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (71 commits)
Bluetooth: btmtk: Mark all stub functions as inline
Bluetooth: hci_qca: Fix build error
Bluetooth: hci_qca: use the power sequencer for wcn7850 and wcn6855
Bluetooth: hci_qca: make pwrseq calls the default if available
Bluetooth: hci_qca: unduplicate calls to hci_uart_register_device()
Bluetooth: hci_qca: schedule a devm action for disabling the clock
dt-bindings: bluetooth: qualcomm: describe the inputs from PMU for wcn7850
Bluetooth: btnxpuart: Fix warnings for suspend and resume functions
Bluetooth: btnxpuart: Add system suspend and resume handlers
Bluetooth: btnxpuart: Add support for IW615 chipset
Bluetooth: btnxpuart: Add support for AW693 A1 chipset
Bluetooth: btintel: Add support for Whale Peak2
Bluetooth: btintel: Add support for BlazarU core
Bluetooth: btusb: mediatek: add ISO data transmission functions
Bluetooth: btmtk: move btusb_recv_acl_mtk to btmtk.c
Bluetooth: btmtk: move btusb_mtk_[setup, shutdown] to btmtk.c
Bluetooth: btmtk: move btusb_mtk_hci_wmt_sync to btmtk.c
Bluetooth: btusb: add callback function in btusb suspend/resume
Bluetooth: btmtk: rename btmediatek_data
Bluetooth: btusb: mediatek: return error for failed reg access
...
====================
Link: https://patch.msgid.link/20240715142543.303944-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This removes hci_request.{c,h} since it shall no longer be used.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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This removes the dependencies of hci_req_init and hci_request_cancel_all
from hci_sync.c.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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This replaces the instance of hci_prepare_cmd with hci_cmd_sync_alloc
since the former is part of hci_request.c which is considered
deprecated.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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hci_request functions are considered deprecated so this replaces the
usage of hci_req_sync with hci_inquiry_sync.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Remove unused and set but otherwise unused 'discovery_old_state'
and 'sco_last_tx' members of 'struct hci_dev'. The first one is
a leftover after commit 182ee45da083 ("Bluetooth: hci_sync: Rework
hci_suspend_notifier"); the second one is originated from ancient
2.4.19 and I was unable to find any actual use since that.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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After commit 78db544b5d27 ("Bluetooth: hci_core: Remove le_restart_scan
work"), 'scan_start' and 'scan_duration' of 'struct discovery_state'
are still initialized but actually unused. So remove the aforementioned
fields and adjust 'hci_discovery_filter_clear()' and 'le_scan_disable()'
accordingly. Compile tested only.
Fixes: 78db544b5d27 ("Bluetooth: hci_core: Remove le_restart_scan work")
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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When HCI raw sockets are opened, the Bluetooth kernel module doesn't
track CIS/BIS connections. User-space applications have to identify
ISO data by maintaining connection information and look up the mapping
for each ACL data packet received. Besides, btsnoop log captured in
kernel couldn't tell ISO data from ACL data in this case.
To avoid additional lookups, this patch introduces vendor-specific
packet classification for Intel BT controllers to distinguish
ISO data packets from ACL data packets.
Signed-off-by: Ying Hsu <yinghsu@chromium.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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This is an effort to get rid of all multiplications from allocation
functions in order to prevent integer overflows [1][2].
As the "dl" variable is a pointer to "struct rfcomm_dev_list_req" and
this structure ends in a flexible array:
struct rfcomm_dev_list_req {
[...]
struct rfcomm_dev_info dev_info[];
};
the preferred way in the kernel is to use the struct_size() helper to
do the arithmetic instead of the calculation "size + count * size" in
the kzalloc() and copy_to_user() functions.
At the same time, prepare for the coming implementation by GCC and Clang
of the __counted_by attribute. Flexible array members annotated with
__counted_by can have their accesses bounds-checked at run-time via
CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for
strcpy/memcpy-family functions).
In this case, it is important to note that the logic needs a little
refactoring to ensure that the "dev_num" member is initialized before
the first access to the flex array. Specifically, add the assignment
before the list_for_each_entry() loop.
Also remove the "size" variable as it is no longer needed.
This way, the code is more readable and safer.
This code was detected with the help of Coccinelle, and audited and
modified manually.
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments [1]
Link: https://github.com/KSPP/linux/issues/160 [2]
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Erick Archer <erick.archer@outlook.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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This is an effort to get rid of all multiplications from allocation
functions in order to prevent integer overflows [1][2].
As the "dl" variable is a pointer to "struct hci_dev_list_req" and this
structure ends in a flexible array:
struct hci_dev_list_req {
[...]
struct hci_dev_req dev_req[]; /* hci_dev_req structures */
};
the preferred way in the kernel is to use the struct_size() helper to
do the arithmetic instead of the calculation "size + count * size" in
the kzalloc() and copy_to_user() functions.
At the same time, prepare for the coming implementation by GCC and Clang
of the __counted_by attribute. Flexible array members annotated with
__counted_by can have their accesses bounds-checked at run-time via
CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for
strcpy/memcpy-family functions).
In this case, it is important to note that the logic needs a little
refactoring to ensure that the "dev_num" member is initialized before
the first access to the flex array. Specifically, add the assignment
before the list_for_each_entry() loop.
Also remove the "size" variable as it is no longer needed.
This way, the code is more readable and safer.
This code was detected with the help of Coccinelle, and audited and
modified manually.
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments [1]
Link: https://github.com/KSPP/linux/issues/160 [2]
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Erick Archer <erick.archer@outlook.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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This makes MGMT_OP_LOAD_CONN_PARAM update existing connection by
dectecting the request is just for one connection, parameters already
exists and there is a connection.
Since this is a new behavior the revision is also updated to enable
userspace to detect it.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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First part of "net: Make timestamping selectable" from Kory Maincent.
Change the driver-facing type already to lower rebasing pain.
Link: https://lore.kernel.org/20240709-feature_ptp_netnext-v17-0-b5317f50df2a@bootlin.com/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In prevision to add new UAPI for hwtstamp we will be limited to the struct
ethtool_ts_info that is currently passed in fixed binary format through the
ETHTOOL_GET_TS_INFO ethtool ioctl. It would be good if new kernel code
already started operating on an extensible kernel variant of that
structure, similar in concept to struct kernel_hwtstamp_config vs struct
hwtstamp_config.
Since struct ethtool_ts_info is in include/uapi/linux/ethtool.h, here
we introduce the kernel-only structure in include/linux/ethtool.h.
The manual copy is then made in the function called by ETHTOOL_GET_TS_INFO.
Acked-by: Shannon Nelson <shannon.nelson@amd.com>
Acked-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20240709-feature_ptp_netnext-v17-6-b5317f50df2a@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This commit introduces a new tagger based on 802.1q tagging.
It's designed for the vsc73xx driver. The VSC73xx family doesn't have
any tag support for the RGMII port, but it could be based on VLANs.
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patch.msgid.link/20240713211620.1125910-8-paweldembicki@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
Steffen Klassert says:
====================
pull request (net-next): ipsec-next 2024-07-13
1) Support sending NAT keepalives in ESP in UDP states.
Userspace IKE daemon had to do this before, but the
kernel can better keep track of it.
From Eyal Birger.
2) Support IPsec crypto offload for IPv6 ESP and IPv4 UDP-encapsulated
ESP data paths. Currently, IPsec crypto offload is enabled for GRO
code path only. This patchset support UDP encapsulation for the non
GRO path. From Mike Yu.
* tag 'ipsec-next-2024-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next:
xfrm: Support crypto offload for outbound IPv4 UDP-encapsulated ESP packet
xfrm: Support crypto offload for inbound IPv4 UDP-encapsulated ESP packet
xfrm: Allow UDP encapsulation in crypto offload control path
xfrm: Support crypto offload for inbound IPv6 ESP packets not in GRO path
xfrm: support sending NAT keepalives in ESP in UDP states
====================
Link: https://patch.msgid.link/20240713102416.3272997-1-steffen.klassert@secunet.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add the ability to send out RFC-3948 NAT keepalives from the xfrm stack.
To use, Userspace sets an XFRM_NAT_KEEPALIVE_INTERVAL integer property when
creating XFRM outbound states which denotes the number of seconds between
keepalive messages.
Keepalive messages are sent from a per net delayed work which iterates over
the xfrm states. The logic is guarded by the xfrm state spinlock due to the
xfrm state walk iterator.
Possible future enhancements:
- Adding counters to keep track of sent keepalives.
- deduplicate NAT keepalives between states sharing the same nat keepalive
parameters.
- provisioning hardware offloads for devices capable of implementing this.
- revise xfrm state list to use an rcu list in order to avoid running this
under spinlock.
Suggested-by: Paul Wouters <paul.wouters@aiven.io>
Tested-by: Paul Wouters <paul.wouters@aiven.io>
Tested-by: Antony Antony <antony.antony@secunet.com>
Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
idpf: XDP chapter I: convert Rx to libeth
Alexander Lobakin says:
XDP for idpf is currently 5 chapters:
* convert Rx to libeth (this);
* convert Tx and stats to libeth;
* generic XDP and XSk code changes, libeth_xdp;
* actual XDP for idpf via libeth_xdp;
* XSk for idpf (^).
Part I does the following:
* splits &idpf_queue into 4 (RQ, SQ, FQ, CQ) and puts them on a diet;
* ensures optimal cacheline placement, strictly asserts CL sizes;
* moves currently unused/dead singleq mode out of line;
* reuses libeth's Rx ptype definitions and helpers;
* uses libeth's Rx buffer management for both header and payload;
* eliminates memcpy()s and coherent DMA uses on hotpath, uses
napi_build_skb() instead of in-place short skb allocation.
Most idpf patches, except for the queue split, removes more lines
than adds.
Expect far better memory utilization and +5-8% on Rx depending on
the case (+17% on skb XDP_DROP :>).
* '200GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
idpf: use libeth Rx buffer management for payload buffer
idpf: convert header split mode to libeth + napi_build_skb()
libeth: support different types of buffers for Rx
idpf: remove legacy Page Pool Ethtool stats
idpf: reuse libeth's definitions of parsed ptype structures
idpf: compile singleq code only under default-n CONFIG_IDPF_SINGLEQ
idpf: merge singleq and splitq &net_device_ops
idpf: strictly assert cachelines of queue and queue vector structures
idpf: avoid bloating &idpf_q_vector with big %NR_CPUS
idpf: split &idpf_queue into 4 strictly-typed queue structures
idpf: stop using macros for accessing queue descriptors
libeth: add cacheline / struct layout assertion helpers
page_pool: use __cacheline_group_{begin, end}_aligned()
cache: add __cacheline_group_{begin, end}_aligned() (+ couple more)
====================
Link: https://patch.msgid.link/20240710203031.188081-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Unlike previous generations, idpf requires more buffer types for optimal
performance. This includes: header buffers, short buffers, and
no-overhead buffers (w/o headroom and tailroom, for TCP zerocopy when
the header split is enabled).
Introduce libeth Rx buffer type and calculate page_pool params
accordingly. All the HW-related details like buffer alignment are still
accounted. For the header buffers, pick 256 bytes as in most places in
the kernel (have you ever seen frames with bigger headers?).
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add helpers to assert struct field layout, a bit more crazy and
networking-specific than in <linux/cache.h>. They assume you have
3 CL-aligned groups (read-mostly, read-write, cold) in a struct
you want to assert, and nothing besides them.
For 64-bit with 64-byte cachelines, the assertions are as strict
as possible, as the size can then be easily predicted.
For the rest, make sure they don't cross the specified bound.
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Instead of doing __cacheline_group_begin() __aligned(), use the new
__cacheline_group_{begin,end}_aligned(), so that it will take care
of the group alignment itself.
Also replace open-coded `4 * sizeof(long)` in two places with
a definition.
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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A typo makes PSAMPLE_ATTR_SAMPLE_RATE netlink flag be added to the wrong
sk_buff.
Fix the error and make the input sk_buff pointer "const" so that it
doesn't happen again.
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Fixes: 7b1b2b60c63f ("net: psample: allow using rate as probability")
Signed-off-by: Adrian Moreno <amorenoz@redhat.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://patch.msgid.link/20240710171004.2164034-1-amorenoz@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.11
Most likely the last "new features" pull request for v6.11 with
changes both in stack and in drivers. The big thing is the multiple
radios for wiphy feature which makes it possible to better advertise
radio capabilities to user space. mt76 enabled MLO and iwlwifi
re-enabled MLO, ath12k and rtw89 Wi-Fi 6 devices got WoWLAN support.
Major changes:
cfg80211/mac80211
* remove DEAUTH_NEED_MGD_TX_PREP flag
* multiple radios per wiphy support
mac80211_hwsim
* multi-radio wiphy support
ath12k
* DebugFS support for datapath statistics
* WCN7850: support for WoW (Wake on WLAN)
* WCN7850: device-tree bindings
ath11k
* QCA6390: device-tree bindings
iwlwifi
* mvm: re-enable Multi-Link Operation (MLO)
* aggregation (A-MSDU) optimisations
rtw89
* preparation for RTL8852BE-VT support
* WoWLAN support for WiFi 6 chips
* 36-bit PCI DMA support
mt76
* mt7925 Multi-Link Operation (MLO) support
* tag 'wireless-next-2024-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (204 commits)
wifi: mac80211: fix AP chandef capturing in CSA
wifi: iwlwifi: correctly reference TSO page information
wifi: mt76: mt792x: fix scheduler interference in drv own process
wifi: mt76: mt7925: enabling MLO when the firmware supports it
wifi: mt76: mt7925: remove the unused mt7925_mcu_set_chan_info
wifi: mt76: mt7925: update mt7925_mac_link_bss_add for MLO
wifi: mt76: mt7925: update mt7925_mcu_bss_basic_tlv for MLO
wifi: mt76: mt7925: update mt7925_mcu_set_timing for MLO
wifi: mt76: mt7925: update mt7925_mcu_sta_phy_tlv for MLO
wifi: mt76: mt7925: update mt7925_mcu_sta_rate_ctrl_tlv for MLO
wifi: mt76: mt7925: add mt7925_mcu_sta_eht_mld_tlv for MLO
wifi: mt76: mt7925: update mt7925_mcu_sta_update for MLO
wifi: mt76: mt7925: update mt7925_mcu_add_bss_info for MLO
wifi: mt76: mt7925: update mt7925_mcu_bss_mld_tlv for MLO
wifi: mt76: mt7925: update mt7925_mcu_sta_mld_tlv for MLO
wifi: mt76: mt7925: add mt7925_[assign,unassign]_vif_chanctx
wifi: mt76: add def_wcid to struct mt76_wcid
wifi: mt76: mt7925: report link information in rx status
wifi: mt76: mt7925: update rate index according to link id
wifi: mt76: mt7925: add link handling in the mt7925_ipv6_addr_change
...
====================
Link: https://patch.msgid.link/20240711102353.0C849C116B1@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Will be used to explicitly assign a channel context to a wiphy radio.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/59f76f57d935f155099276be22badfa671d5bfd9.1720514221.git-series.nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Check if the full channel width is in the radio's frequency range.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/7c8ea146feb6f37cee62e5ba6be5370403695797.1720514221.git-series.nbd@nbd.name
[add missing Return: documentation]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add a field in struct iface_combination_params to check per-radio
interface combinations instead of per-wiphy ones.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/32b28da89c2d759b0324deeefe2be4cee91de18e.1720514221.git-series.nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The prerequisite for MLO support in cfg80211/mac80211 is that all the links
participating in MLO must be from the same wiphy/ieee80211_hw. To meet this
expectation, some drivers may need to group multiple discrete hardware each
acting as a link in MLO under single wiphy.
With this change, supported frequencies and interface combinations of each
individual radio are reported to user space. This allows user space to figure
out the limitations of what combination of channels can be used concurrently.
Even for non-MLO devices, this improves support for devices capable of
running on multiple channels at the same time.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/18a88f9ce82b1c9f7c12f1672430eaf2bb0be295.1720514221.git-series.nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This flag is annoying because it puts a lot of logic into mac80211
that could just as well be in the driver (only iwlmvm uses it) and
the implementation is also broken for MLO.
Remove the flag in favour of calling drv_mgd_prepare_tx() without
any conditions even for the deauth-while-assoc case. The drivers
that implement it can take the appropriate actions, which for the
only user of DEAUTH_NEED_MGD_TX_PREP (iwlmvm) is a bit more tricky
than the implementation in mac80211 is anyway, and all others have
no need and can just exit if info->was_assoc is set.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240627132527.94924bcc9c9e.I328a219e45f2e2724cd52e75bb9feee3bf21a463@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Cross-merge networking fixes after downstream PR.
Conflicts:
net/sched/act_ct.c
26488172b029 ("net/sched: Fix UAF when resolving a clash")
3abbd7ed8b76 ("act_ct: prepare for stolen verdict coming from conntrack and nat engine")
No adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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