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Merge tag 'ipsec-next-2022-12-09' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
Steffen Klassert says:
====================
ipsec-next 2022-12-09
1) Add xfrm packet offload core API.
From Leon Romanovsky.
2) Add xfrm packet offload support for mlx5.
From Leon Romanovsky and Raed Salem.
3) Fix a typto in a error message.
From Colin Ian King.
* tag 'ipsec-next-2022-12-09' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next: (38 commits)
xfrm: Fix spelling mistake "oflload" -> "offload"
net/mlx5e: Open mlx5 driver to accept IPsec packet offload
net/mlx5e: Handle ESN update events
net/mlx5e: Handle hardware IPsec limits events
net/mlx5e: Update IPsec soft and hard limits
net/mlx5e: Store all XFRM SAs in Xarray
net/mlx5e: Provide intermediate pointer to access IPsec struct
net/mlx5e: Skip IPsec encryption for TX path without matching policy
net/mlx5e: Add statistics for Rx/Tx IPsec offloaded flows
net/mlx5e: Improve IPsec flow steering autogroup
net/mlx5e: Configure IPsec packet offload flow steering
net/mlx5e: Use same coding pattern for Rx and Tx flows
net/mlx5e: Add XFRM policy offload logic
net/mlx5e: Create IPsec policy offload tables
net/mlx5e: Generalize creation of default IPsec miss group and rule
net/mlx5e: Group IPsec miss handles into separate struct
net/mlx5e: Make clear what IPsec rx_err does
net/mlx5e: Flatten the IPsec RX add rule path
net/mlx5e: Refactor FTE setup code to be more clear
net/mlx5e: Move IPsec flow table creation to separate function
...
====================
Link: https://lore.kernel.org/r/20221209093310.4018731-1-steffen.klassert@secunet.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'v6.1-rc8' into rdma.git for-next
For dependencies in following patches
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
On kernels using retpoline as a spectrev2 mitigation,
optimize actions and filters that are compiled as built-ins into a direct call.
On subsequent patches we expose the classifiers and actions functions
and wire up the wrapper into tc.
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The type definition should be visible even in configurations not using
CONFIG_NET_CLS_ACT.
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add an option to initialize SOF_TIMESTAMPING_OPT_ID for TCP from
write_seq sockets instead of snd_una.
This should have been the behavior from the start. Because processes
may now exist that rely on the established behavior, do not change
behavior of the existing option, but add the right behavior with a new
flag. It is encouraged to always set SOF_TIMESTAMPING_OPT_ID_TCP on
stream sockets along with the existing SOF_TIMESTAMPING_OPT_ID.
Intuitively the contract is that the counter is zero after the
setsockopt, so that the next write N results in a notification for
the last byte N - 1.
On idle sockets snd_una == write_seq and this holds for both. But on
sockets with data in transmission, snd_una records the unacked offset
in the stream. This depends on the ACK response from the peer. A
process cannot learn this in a race free manner (ioctl SIOCOUTQ is one
racy approach).
write_seq records the offset at the last byte written by the process.
This is a better starting point. It matches the intuitive contract in
all circumstances, unaffected by external behavior.
The new timestamp flag necessitates increasing sk_tsflags to 32 bits.
Move the field in struct sock to avoid growing the socket (for some
common CONFIG variants). The UAPI interface so_timestamping.flags is
already int, so 32 bits wide.
Reported-by: Sotirios Delimanolis <sotodel@meta.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20221207143701.29861-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Expose port function commands to enable / disable migratable
capability, this is used to set the port function as migratable.
Live migration is the process of transferring a live virtual machine
from one physical host to another without disrupting its normal
operation.
In order for a VM to be able to perform LM, all the VM components must
be able to perform migration. e.g.: to be migratable.
In order for VF to be migratable, VF must be bound to VFIO driver with
migration support.
When migratable capability is enabled for a function of the port, the
device is making the necessary preparations for the function to be
migratable, which might include disabling features which cannot be
migrated.
Example of LM with migratable function configuration:
Set migratable of the VF's port function.
$ devlink port show pci/0000:06:00.0/2
pci/0000:06:00.0/2: type eth netdev enp6s0pf0vf1 flavour pcivf pfnum 0
vfnum 1
function:
hw_addr 00:00:00:00:00:00 migratable disable
$ devlink port function set pci/0000:06:00.0/2 migratable enable
$ devlink port show pci/0000:06:00.0/2
pci/0000:06:00.0/2: type eth netdev enp6s0pf0vf1 flavour pcivf pfnum 0
vfnum 1
function:
hw_addr 00:00:00:00:00:00 migratable enable
Bind VF to VFIO driver with migration support:
$ echo <pci_id> > /sys/bus/pci/devices/0000:08:00.0/driver/unbind
$ echo mlx5_vfio_pci > /sys/bus/pci/devices/0000:08:00.0/driver_override
$ echo <pci_id> > /sys/bus/pci/devices/0000:08:00.0/driver/bind
Attach VF to the VM.
Start the VM.
Perform LM.
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Expose port function commands to enable / disable RoCE, this is used to
control the port RoCE device capabilities.
When RoCE is disabled for a function of the port, function cannot create
any RoCE specific resources (e.g GID table).
It also saves system memory utilization. For example disabling RoCE enable a
VF/SF saves 1 Mbytes of system memory per function.
Example of a PCI VF port which supports function configuration:
Set RoCE of the VF's port function.
$ devlink port show pci/0000:06:00.0/2
pci/0000:06:00.0/2: type eth netdev enp6s0pf0vf1 flavour pcivf pfnum 0
vfnum 1
function:
hw_addr 00:00:00:00:00:00 roce enable
$ devlink port function set pci/0000:06:00.0/2 roce disable
$ devlink port show pci/0000:06:00.0/2
pci/0000:06:00.0/2: type eth netdev enp6s0pf0vf1 flavour pcivf pfnum 0
vfnum 1
function:
hw_addr 00:00:00:00:00:00 roce disable
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stefan Schmidt says:
====================
ieee802154-next 2022-12-05
Miquel continued his work towards full scanning support. For this,
we now allow the creation of dedicated coordinator interfaces
to allow a PAN coordinator to serve in the network and set
the needed address filters with the hardware.
On top of this we have the first part to allow scanning for available
15.4 networks. A new netlink scan group, within the existing nl802154
API, was added.
In addition Miquel fixed two issues that have been introduced in the former
patches to free an skb correctly and clarifying an expression in the stack.
From David Girault we got tracing support when registering new PANs.
* tag 'ieee802154-for-net-next-2022-12-05' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan-next:
mac802154: Trace the registration of new PANs
ieee802154: Advertize coordinators discovery
mac802154: Allow the creation of coordinator interfaces
mac802154: Clarify an expression
mac802154: Move an skb free within the rx path
====================
Link: https://lore.kernel.org/r/20221205131909.1871790-1-stefan@datenfreihafen.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This change adds xfrm metadata helpers using the unstable kfunc call
interface for the TC-BPF hooks. This allows steering traffic towards
different IPsec connections based on logic implemented in bpf programs.
This object is built based on the availability of BTF debug info.
When setting the xfrm metadata, percpu metadata dsts are used in order
to avoid allocating a metadata dst per packet.
In order to guarantee safe module unload, the percpu dsts are allocated
on first use and never freed. The percpu pointer is stored in
net/core/filter.c so that it can be reused on module reload.
The metadata percpu dsts take ownership of the original skb dsts so
that they may be used as part of the xfrm transmission logic - e.g.
for MTU calculations.
Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Link: https://lore.kernel.org/r/20221203084659.1837829-3-eyal.birger@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Add boolean `zc` member to struct p9_fcall to distinguish zero-copy
messages (not using the linear `sdata` buffer for message payload) from
regular messages (which do copy message payload to `sdata` before being
further processed).
This new member is appended to end of structure to avoid inserting huge
padding in generated layout.
Link: https://lkml.kernel.org/r/8f2a5c12a446c3b544da64e0b1550e1fb2d6f972.1669144861.git.linux_oss@crudebyte.com
Signed-off-by: Christian Schoenebeck <linux_oss@crudebyte.com>
Tested-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
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Merge tag 'rxrpc-next-20221201-b' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
David Howells says:
====================
rxrpc: Increasing SACK size and moving away from softirq, parts 2 & 3
Here are the second and third parts of patches in the process of moving
rxrpc from doing a lot of its stuff in softirq context to doing it in an
I/O thread in process context and thereby making it easier to support a
larger SACK table.
The full description is in the description for the first part[1] which is
already in net-next.
The second part includes some cleanups, adds some testing and overhauls
some tracing:
(1) Remove declaration of rxrpc_kernel_call_is_complete() as the
definition is no longer present.
(2) Remove the knet() and kproto() macros in favour of using tracepoints.
(3) Remove handling of duplicate packets from recvmsg. The input side
isn't now going to insert overlapping/duplicate packets into the
recvmsg queue.
(4) Don't use the rxrpc_conn_parameters struct in the rxrpc_connection or
rxrpc_bundle structs - rather put the members in directly.
(5) Extract the abort code from a received abort packet right up front
rather than doing it in multiple places later.
(6) Use enums and symbol lists rather than __builtin_return_address() to
indicate where a tracepoint was triggered for local, peer, conn, call
and skbuff tracing.
(7) Add a refcount tracepoint for the rxrpc_bundle struct.
(8) Implement an in-kernel server for the AFS rxperf testing program to
talk to (enabled by a Kconfig option).
This is tagged as rxrpc-next-20221201-a.
The third part introduces the I/O thread and switches various bits over to
running there:
(1) Fix call timers and call and connection workqueues to not hold refs on
the rxrpc_call and rxrpc_connection structs to thereby avoid messy
cleanup when the last ref is put in softirq mode.
(2) Split input.c so that the call packet processing bits are separate
from the received packet distribution bits. Call packet processing
gets bumped over to the call event handler.
(3) Create a per-local endpoint I/O thread. Barring some tiny bits that
still get done in softirq context, all packet reception, processing
and transmission is done in this thread. That will allow a load of
locking to be removed.
(4) Perform packet processing and error processing from the I/O thread.
(5) Provide a mechanism to process call event notifications in the I/O
thread rather than queuing a work item for that call.
(6) Move data and ACK transmission into the I/O thread. ACKs can then be
transmitted at the point they're generated rather than getting
delegated from softirq context to some process context somewhere.
(7) Move call and local processor event handling into the I/O thread.
(8) Move cwnd degradation to after packets have been transmitted so that
they don't shorten the window too quickly.
A bunch of simplifications can then be done:
(1) The input_lock is no longer necessary as exclusion is achieved by
running the code in the I/O thread only.
(2) Don't need to use sk->sk_receive_queue.lock to guard socket state
changes as the socket mutex should suffice.
(3) Don't take spinlocks in RCU callback functions as they get run in
softirq context and thus need _bh annotations.
(4) RCU is then no longer needed for the peer's error_targets list.
(5) Simplify the skbuff handling in the receive path by dropping the ref
in the basic I/O thread loop and getting an extra ref as and when we
need to queue the packet for recvmsg or another context.
(6) Get the peer address earlier in the input process and pass it to the
users so that we only do it once.
This is tagged as rxrpc-next-20221201-b.
Changes:
========
ver #2)
- Added a patch to change four assertions into warnings in rxrpc_read()
and fixed a checker warning from a __user annotation that should have
been removed..
- Change a min() to min_t() in rxperf as PAGE_SIZE doesn't seem to match
type size_t on i386.
- Three error handling issues in rxrpc_new_incoming_call():
- If not DATA or not seq #1, should drop the packet, not abort.
- Fix a goto that went to the wrong place, dropping a non-held lock.
- Fix an rcu_read_lock that should've been an unlock.
Tested-by: Marc Dionne <marc.dionne@auristor.com>
Tested-by: kafs-testing+fedora36_64checkkafs-build-144@auristor.com
Link: https://lore.kernel.org/r/166794587113.2389296.16484814996876530222.stgit@warthog.procyon.org.uk/ [1]
Link: https://lore.kernel.org/r/166982725699.621383.2358362793992993374.stgit@warthog.procyon.org.uk/ # v1
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Both in RX and TX, the traffic that performs IPsec packet offload
transformation is accounted by HW. It is needed to properly handle
hard limits that require to drop the packet.
It means that XFRM core needs to update internal counters with the one
that accounted by the HW, so new callbacks are introduced in this patch.
In case of soft or hard limit is occurred, the driver should call to
xfrm_state_check_expire() that will perform key rekeying exactly as
done by XFRM core.
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Traffic received by device with enabled IPsec packet offload should
be forwarded to the stack only after decryption, packet headers and
trailers removed.
Such packets are expected to be seen as normal (non-XFRM) ones, while
not-supported packets should be dropped by the HW.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Extend netlink interface to add and delete XFRM policy from the device.
This functionality is a first step to implement packet IPsec offload solution.
Signed-off-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
In the next patches, the xfrm core code will be extended to support
new type of offload - packet offload. In that mode, both policy and state
should be specially configured in order to perform whole offloaded data
path.
Full offload takes care of encryption, decryption, encapsulation and
other operations with headers.
As this mode is new for XFRM policy flow, we can "start fresh" with flag
bits and release first and second bit for future use.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Third set of patches for v6.2. mt76 has a new driver for mt7996 Wi-Fi 7
devices and iwlwifi also got initial Wi-Fi 7 support. Otherwise
smaller features and fixes.
Major changes:
ath10k
* store WLAN firmware version in SMEM image table
mt76
* mt7996: new driver for MediaTek Wi-Fi 7 (802.11be) devices
* mt7986, mt7915: enable Wireless Ethernet Dispatch (WED) offload support
* mt7915: add ack signal support
* mt7915: enable coredump support
* mt7921: remain_on_channel support
* mt7921: channel context support
iwlwifi
* enable Wi-Fi 7 Extremely High Throughput (EHT) PHY capabilities
* 320 MHz channels support
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Merge tag 'wireless-next-2022-12-02' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.2
Third set of patches for v6.2. mt76 has a new driver for mt7996 Wi-Fi 7
devices and iwlwifi also got initial Wi-Fi 7 support. Otherwise
smaller features and fixes.
Major changes:
ath10k
- store WLAN firmware version in SMEM image table
mt76
- mt7996: new driver for MediaTek Wi-Fi 7 (802.11be) devices
- mt7986, mt7915: enable Wireless Ethernet Dispatch (WED) offload support
- mt7915: add ack signal support
- mt7915: enable coredump support
- mt7921: remain_on_channel support
- mt7921: channel context support
iwlwifi
- enable Wi-Fi 7 Extremely High Throughput (EHT) PHY capabilities
- 320 MHz channels support
* tag 'wireless-next-2022-12-02' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (144 commits)
wifi: ath10k: fix QCOM_SMEM dependency
wifi: mt76: mt7921e: add pci .shutdown() support
wifi: mt76: mt7915: mmio: fix naming convention
wifi: mt76: mt7996: add support to configure spatial reuse parameter set
wifi: mt76: mt7996: enable ack signal support
wifi: mt76: mt7996: enable use_cts_prot support
wifi: mt76: mt7915: rely on band_idx of mt76_phy
wifi: mt76: mt7915: enable per bandwidth power limit support
wifi: mt76: mt7915: introduce mt7915_get_power_bound()
mt76: mt7915: Fix PCI device refcount leak in mt7915_pci_init_hif2()
wifi: mt76: do not send firmware FW_FEATURE_NON_DL region
wifi: mt76: mt7921: Add missing __packed annotation of struct mt7921_clc
wifi: mt76: fix coverity overrun-call in mt76_get_txpower()
wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices
wifi: mt76: mt76x0: remove dead code in mt76x0_phy_get_target_power
wifi: mt76: mt7915: fix band_idx usage
wifi: mt76: mt7915: enable .sta_set_txpwr support
wifi: mt76: mt7915: add basedband Txpower info into debugfs
wifi: mt76: mt7915: add support to configure spatial reuse parameter set
wifi: mt76: mt7915: add missing MODULE_PARM_DESC
...
====================
Link: https://lore.kernel.org/r/20221202214254.D0D3DC433C1@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
As per the specfication vendor codec id is defined.
BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 2127
Fixes: 9ae664028a9e ("Bluetooth: Add support for Read Local Supported Codecs V2")
Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
A patch series by a Qualcomm engineer essentially removed my
quirk/workaround because they thought it was unnecessary.
It wasn't, and it broke everything again:
https://patchwork.kernel.org/project/netdevbpf/list/?series=661703&archive=both&state=*
He argues that the quirk is not necessary because the code should check
if the dongle says if it's supported or not. The problem is that for
these Chinese CSR clones they say that it would work:
= New Index: 00:00:00:00:00:00 (Primary,USB,hci0)
= Open Index: 00:00:00:00:00:00
< HCI Command: Read Local Version Information (0x04|0x0001) plen 0
> HCI Event: Command Complete (0x0e) plen 12
> [hci0] 11.276039
Read Local Version Information (0x04|0x0001) ncmd 1
Status: Success (0x00)
HCI version: Bluetooth 5.0 (0x09) - Revision 2064 (0x0810)
LMP version: Bluetooth 5.0 (0x09) - Subversion 8978 (0x2312)
Manufacturer: Cambridge Silicon Radio (10)
...
< HCI Command: Read Local Supported Features (0x04|0x0003) plen 0
> HCI Event: Command Complete (0x0e) plen 68
> [hci0] 11.668030
Read Local Supported Commands (0x04|0x0002) ncmd 1
Status: Success (0x00)
Commands: 163 entries
...
Read Default Erroneous Data Reporting (Octet 18 - Bit 2)
Write Default Erroneous Data Reporting (Octet 18 - Bit 3)
...
...
< HCI Command: Read Default Erroneous Data Reporting (0x03|0x005a) plen 0
= Close Index: 00:1A:7D:DA:71:XX
So bring it back wholesale.
Fixes: 63b1a7dd38bf ("Bluetooth: hci_sync: Remove HCI_QUIRK_BROKEN_ERR_DATA_REPORTING")
Fixes: e168f6900877 ("Bluetooth: btusb: Remove HCI_QUIRK_BROKEN_ERR_DATA_REPORTING for fake CSR")
Fixes: 766ae2422b43 ("Bluetooth: hci_sync: Check LMP feature bit instead of quirk")
Cc: stable@vger.kernel.org
Cc: Zijun Hu <quic_zijuhu@quicinc.com>
Cc: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Tested-by: Ismael Ferreras Morezuelas <swyterzone@gmail.com>
Signed-off-by: Ismael Ferreras Morezuelas <swyterzone@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
After commit 9ed7bfc79542 ("sctp: fix memory leak in
sctp_stream_outq_migrate()"), sctp_sched_set_sched() is the only
place calling sched->free(), and it can actually be replaced by
sched->free_sid() on each stream, and yet there's already a loop
to traverse all streams in sctp_sched_set_sched().
This patch adds a function sctp_sched_free_sched() where it calls
sched->free_sid() for each stream to replace sched->free() calls
in sctp_sched_set_sched() and then deletes the unused free member
from struct sctp_sched_ops.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Link: https://lore.kernel.org/r/e10aac150aca2686cb0bd0570299ec716da5a5c0.1669849471.git.lucien.xin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
To do that, separate two scenarios:
- where it's the first MD5 key on the system, which means that enabling
of the static key may need to sleep;
- copying of an existing key from a listening socket to the request
socket upon receiving a signed TCP segment, where static key was
already enabled (when the key was added to the listening socket).
Now the life-time of the static branch for TCP-MD5 is until:
- last tcp_md5sig_info is destroyed
- last socket in time-wait state with MD5 key is closed.
Which means that after all sockets with TCP-MD5 keys are gone, the
system gets back the performance of disabled md5-key static branch.
While at here, provide static_key_fast_inc() helper that does ref
counter increment in atomic fashion (without grabbing cpus_read_lock()
on CONFIG_JUMP_LABEL=y). This is needed to add a new user for
a static_key when the caller controls the lifetime of another user.
Signed-off-by: Dmitry Safonov <dima@arista.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This can be used to selectively disable feature flags for checksum offload,
scatter/gather or GSO by changing vif->netdev_features.
Removing features from vif->netdev_features does not affect the netdev
features themselves, but instead fixes up skbs in the tx path so that the
offloads are not needed in the driver.
Aside from making it easier to deal with vif type based hardware limitations,
this also makes it possible to optimize performance on hardware without native
GSO support by declaring GSO support in hw->netdev_features and removing it
from vif->netdev_features. This allows mac80211 to handle GSO segmentation
after the sta lookup, but before itxq enqueue, thus reducing the number of
unnecessary sta lookups, as well as some other per-packet processing.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20221010094338.78070-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
rxrpc_kernel_call_is_complete() has been removed, so remove its declaration
too.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Implement an in-kernel rxperf server to allow kernel-based rxrpc services
to be tested directly, unlike with AFS where they're accessed by the
fileserver when the latter decides it wants to.
This is implemented as a module that, if loaded, opens UDP port 7009
(afs3-rmtsys) and listens on it for incoming calls. Calls can be generated
using the rxperf command shipped with OpenAFS, for example.
Changes
=======
ver #2)
- Use min_t() instead of min().
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
cc: Jakub Kicinski <kuba@kernel.org>
ping_lookup() does not acquire the table spinlock, so iteration should
use hlist_nulls_for_each_entry_rcu().
Spotted during code review.
Fixes: dbca1596bbb0 ("ping: convert to RCU lookups, get rid of rwlock")
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20221129140644.28525-1-fw@strlen.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The driver name is available in device_driver::name. Right now,
drivers still have to report this piece of information themselves in
their devlink_ops::info_get callback function.
In order to factorize code, make devlink_nl_info_fill() add the driver
name attribute.
Now that the core sets the driver name attribute, drivers are not
supposed to call devlink_info_driver_name_put() anymore. Remove
devlink_info_driver_name_put() and clean-up all the drivers using this
function in their callback.
Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Tested-by: Ido Schimmel <idosch@nvidia.com> # mlxsw
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
To read from a region, user space must currently request a new snapshot of
the region and then read from that snapshot. This can sometimes be overkill
if user space only reads a tiny portion. They first create the snapshot,
then request a read, then destroy the snapshot.
For regions which have a single underlying "contents", it makes sense to
allow supporting direct reading of the region data.
Extend the DEVLINK_CMD_REGION_READ to allow direct reading from a region if
requested via the new DEVLINK_ATTR_REGION_DIRECT. If this attribute is set,
then perform a direct read instead of using a snapshot. Direct read is
mutually exclusive with DEVLINK_ATTR_REGION_SNAPSHOT_ID, and care is taken
to ensure that we reject commands which provide incorrect attributes.
Regions must enable support for direct read by implementing the .read()
callback function. If a region does not support such direct reads, a
suitable extended error message is reported.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When redirecting, we use sk_msg_to_ingress() to get the BPF_F_INGRESS
flag from the msg->flags. If apply_bytes is used and it is larger than
the current data being processed, sk_psock_msg_verdict() will not be
called when sendmsg() is called again. At this time, the msg->flags is 0,
and we lost the BPF_F_INGRESS flag.
So we need to save the BPF_F_INGRESS flag in sk_psock and use it when
redirection.
Fixes: 8934ce2fd081 ("bpf: sockmap redirect ingress support")
Signed-off-by: Pengcheng Yang <yangpc@wangsu.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/1669718441-2654-3-git-send-email-yangpc@wangsu.com
No need to have distinct functions. After merge, ipv6 can avoid
protooff computation if the connection neither needs sequence adjustment
nor helper invocation -- this is the normal case.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Steffen Klassert says:
====================
ipsec-next 2022-11-26
1) Remove redundant variable in esp6.
From Colin Ian King.
2) Update x->lastused for every packet. It was used only for
outgoing mobile IPv6 packets, but showed to be usefull
to check if the a SA is still in use in general.
From Antony Antony.
3) Remove unused variable in xfrm_byidx_resize.
From Leon Romanovsky.
4) Finalize extack support for xfrm.
From Sabrina Dubroca.
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next:
xfrm: add extack to xfrm_set_spdinfo
xfrm: add extack to xfrm_alloc_userspi
xfrm: add extack to xfrm_do_migrate
xfrm: add extack to xfrm_new_ae and xfrm_replay_verify_len
xfrm: add extack to xfrm_del_sa
xfrm: add extack to xfrm_add_sa_expire
xfrm: a few coding style clean ups
xfrm: Remove not-used total variable
xfrm: update x->lastused for every packet
esp6: remove redundant variable err
====================
Link: https://lore.kernel.org/r/20221126110303.1859238-1-steffen.klassert@secunet.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Let's introduce the basics for advertizing discovered PANs and
coordinators, which is:
- A new "scan" netlink message group.
- A couple of netlink command/attribute.
- The main netlink helper to send a netlink message with all the
necessary information to forward the main information to the user.
Two netlink attributes are proactively added to support future UWB
complex channels, but are not actually used yet.
Co-developed-by: David Girault <david.girault@qorvo.com>
Signed-off-by: David Girault <david.girault@qorvo.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20221129135535.532513-2-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
tag_8021q definitions are all over the place. Some are exported to
linux/dsa/8021q.h (visible by DSA core, taggers, switch drivers and
everyone else), and some are in dsa_priv.h.
Move the structures that don't need external visibility into tag_8021q.c,
and the ones which don't need the world or switch drivers to see them
into tag_8021q.h.
We also have the tag_8021q.h inclusion from switch.c, which is basically
the entire reason why tag_8021q.c was built into DSA in commit
8b6e638b4be2 ("net: dsa: build tag_8021q.c as part of DSA core").
I still don't know how to better deal with that, so leave it alone.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
dsa.o and dsa2.o are linked into the same dsa_core.o, there is no reason
to export this symbol when its only caller is local.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When we call connect() for a socket bound to a wildcard address, we update
saddr locklessly. However, it could result in a data race; another thread
iterating over bhash might see a corrupted address.
Let's update saddr under the bhash bucket's lock.
Fixes: 3df80d9320bc ("[DCCP]: Introduce DCCPv6")
Fixes: 7c657876b63c ("[DCCP]: Initial implementation")
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Joanne Koong <joannelkoong@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Endpoint creation can fail for a number of reasons; in case of failure
append the error number to the extended ack message, using a newly
introduced generic helper.
Additionally let mptcp_pm_nl_append_new_local_addr() report different
error reasons.
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The caller of del_timer_sync must prevent restarting of the timer, If
we have no this synchronization, there is a small probability that the
cancellation will not be successful.
And syzbot report the fellowing crash:
==================================================================
BUG: KASAN: use-after-free in hlist_add_head include/linux/list.h:929 [inline]
BUG: KASAN: use-after-free in enqueue_timer+0x18/0xa4 kernel/time/timer.c:605
Write at addr f9ff000024df6058 by task syz-fuzzer/2256
Pointer tag: [f9], memory tag: [fe]
CPU: 1 PID: 2256 Comm: syz-fuzzer Not tainted 6.1.0-rc5-syzkaller-00008-
ge01d50cbd6ee #0
Hardware name: linux,dummy-virt (DT)
Call trace:
dump_backtrace.part.0+0xe0/0xf0 arch/arm64/kernel/stacktrace.c:156
dump_backtrace arch/arm64/kernel/stacktrace.c:162 [inline]
show_stack+0x18/0x40 arch/arm64/kernel/stacktrace.c:163
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x68/0x84 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:284 [inline]
print_report+0x1a8/0x4a0 mm/kasan/report.c:395
kasan_report+0x94/0xb4 mm/kasan/report.c:495
__do_kernel_fault+0x164/0x1e0 arch/arm64/mm/fault.c:320
do_bad_area arch/arm64/mm/fault.c:473 [inline]
do_tag_check_fault+0x78/0x8c arch/arm64/mm/fault.c:749
do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:825
el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:576
hlist_add_head include/linux/list.h:929 [inline]
enqueue_timer+0x18/0xa4 kernel/time/timer.c:605
mod_timer+0x14/0x20 kernel/time/timer.c:1161
mrp_periodic_timer_arm net/802/mrp.c:614 [inline]
mrp_periodic_timer+0xa0/0xc0 net/802/mrp.c:627
call_timer_fn.constprop.0+0x24/0x80 kernel/time/timer.c:1474
expire_timers+0x98/0xc4 kernel/time/timer.c:1519
To fix it, we can introduce a new active flags to make sure the timer will
not restart.
Reported-by: syzbot+6fd64001c20aa99e34a4@syzkaller.appspotmail.com
Signed-off-by: Schspa Shi <schspa@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Second set of patches for v6.2. Only driver patches this time, nothing
really special. Unused platform data support was removed from wl1251
and rtw89 got WoWLAN support.
Major changes:
ath11k
* support configuring channel dwell time during scan
rtw89
* new dynamic header firmware format support
* Wake-over-WLAN support
rtl8xxxu
* enable IEEE80211_HW_SUPPORT_FAST_XMIT
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Merge tag 'wireless-next-2022-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.2
Second set of patches for v6.2. Only driver patches this time, nothing
really special. Unused platform data support was removed from wl1251
and rtw89 got WoWLAN support.
Major changes:
ath11k
* support configuring channel dwell time during scan
rtw89
* new dynamic header firmware format support
* Wake-over-WLAN support
rtl8xxxu
* enable IEEE80211_HW_SUPPORT_FAST_XMIT
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch at first adds a pernet global l3mdev_accept to decide if it
accepts the packets from a l3mdev when a SCTP socket doesn't bind to
any interface. It's set to 1 to avoid any possible incompatible issue,
and in next patch, a sysctl will be introduced to allow to change it.
Then similar to inet/udp_sk_bound_dev_eq(), sctp_sk_bound_dev_eq() is
added to check either dif or sdif is equal to sk_bound_dev_if, and to
check sid is 0 or l3mdev_accept is 1 if sk_bound_dev_if is not set.
This function is used to match a association or a endpoint, namely
called by sctp_addrs_lookup_transport() and sctp_endpoint_is_match().
All functions that needs updating are:
sctp_rcv():
asoc:
__sctp_rcv_lookup()
__sctp_lookup_association() -> sctp_addrs_lookup_transport()
__sctp_rcv_lookup_harder()
__sctp_rcv_init_lookup()
__sctp_lookup_association() -> sctp_addrs_lookup_transport()
__sctp_rcv_walk_lookup()
__sctp_rcv_asconf_lookup()
__sctp_lookup_association() -> sctp_addrs_lookup_transport()
ep:
__sctp_rcv_lookup_endpoint() -> sctp_endpoint_is_match()
sctp_connect():
sctp_endpoint_is_peeled_off()
__sctp_lookup_association()
sctp_has_association()
sctp_lookup_association()
__sctp_lookup_association() -> sctp_addrs_lookup_transport()
sctp_diag_dump_one():
sctp_transport_lookup_process() -> sctp_addrs_lookup_transport()
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add skb_sdif function in struct sctp_af to get the enslaved device
for both ipv4 and ipv6 when adding SCTP VRF support in sctp_rcv in
the next patch.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 0ff4eb3d5ebb ("neighbour: make proxy_queue.qlen limit
per-device") introduced the length counter qlen in struct neigh_parms.
There are separate neigh_parms instances for IPv4/ARP and IPv6/ND, and
while the family specific qlen is incremented in pneigh_enqueue(), the
mentioned commit decrements always the IPv4/ARP specific qlen,
regardless of the currently processed family, in pneigh_queue_purge()
and neigh_proxy_process().
As a result, with IPv6/ND, the family specific qlen is only incremented
(and never decremented) until it exceeds PROXY_QLEN, and then, according
to the check in pneigh_enqueue(), neighbor solicitations are not
answered anymore. As an example, this is noted when using the
subnet-router anycast address to access a Linux router. After a certain
amount of time (in the observed case, qlen exceeded PROXY_QLEN after two
days), the Linux router stops answering neighbor solicitations for its
subnet-router anycast address and effectively becomes unreachable.
Another result with IPv6/ND is that the IPv4/ARP specific qlen is
decremented more often than incremented. This leads to negative qlen
values, as a signed integer has been used for the length counter qlen,
and potentially to an integer overflow.
Fix this by introducing the helper function neigh_parms_qlen_dec(),
which decrements the family specific qlen. Thereby, make use of the
existing helper function neigh_get_dev_parms_rcu(), whose definition
therefore needs to be placed earlier in neighbour.c. Take the family
member from struct neigh_table to determine the currently processed
family and appropriately call neigh_parms_qlen_dec() from
pneigh_queue_purge() and neigh_proxy_process().
Additionally, use an unsigned integer for the length counter qlen.
Fixes: 0ff4eb3d5ebb ("neighbour: make proxy_queue.qlen limit per-device")
Signed-off-by: Thomas Zeitlhofer <thomas.zeitlhofer+lkml@ze-it.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move these two macros from net/sctp/sctp.h to linux/sctp.h, so that
it will be enough to include only linux/sctp.h in nft_exthdr.c and
xt_sctp.c. It should not include "net/sctp/sctp.h" if a module does
not have a dependence on SCTP module.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Saeed Mahameed <saeed@kernel.org>
Link: https://lore.kernel.org/r/ef6468a687f36da06f575c2131cd4612f6b7be88.1668526821.git.lucien.xin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently "net/sctp/checksum.h" including "net/sctp/sctp.h" is
included in quite some places in netfilter and openswitch and
net/sched. It's not necessary to include "net/sctp/sctp.h" if
a module does not have dependence on SCTP, "linux/sctp.h" is
the right one to include.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Saeed Mahameed <saeed@kernel.org>
Link: https://lore.kernel.org/r/ca7ea96d62a26732f0491153c3979dc1c0d8d34a.1668526793.git.lucien.xin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently the driver is able to create leaf nodes for the devlink-rate,
but is unable to set parent for them. This wasn't as issue before the
possibility to export hierarchy from the driver. After adding the export
feature, in order for the driver to supply correct hierarchy, it's
necessary for it to be able to supply a parent name to
devl_rate_leaf_create().
Introduce a new parameter 'parent_name' in devl_rate_leaf_create().
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
