When endpoint creation fails, we need to free the newly allocated
entry and eventually destroy the paired mptcp listener socket.
Consolidate such action in a single point let all the errors path
reach it.
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>
We assume the correct errno is -EADDRINUSE when sk->sk_prot->get_port()
fails, so some ->get_port() functions return just 1 on failure and the
callers return -EADDRINUSE instead.
However, mptcp_get_port() can return -EINVAL. Let's not ignore the error.
Note the only exception is inet_autobind(), all of whose callers return
-EAGAIN instead.
Fixes: cec37a6e41 ("mptcp: Handle MP_CAPABLE options for outgoing connections")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Smatch detected the following warning.
drivers/net/ethernet/renesas/rswitch.c:1717 rswitch_init() warn:
'%pM' cannot be followed by 'n'
The 'n' should be '\n'.
Reported-by: Dan Carpenter <error27@gmail.com>
Suggested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Fixes: 3590918b5d ("net: ethernet: renesas: Add support for "Ethernet Switch"")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Saeed Mahameed <saeed@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
netdev.vger.kernel.org archive mirror
Steen Hegelund says:
====================
net: Add support for VCAP debugFS in Sparx5
This provides support for getting VCAP instance, VCAP rule and VCAP port
keyset configuration information via the debug file system.
It builds on top of the initial IS2 VCAP support found in these series:
https://lore.kernel.org/all/20221020130904.1215072-1-steen.hegelund@microchip.com/https://lore.kernel.org/all/20221109114116.3612477-1-steen.hegelund@microchip.com/https://lore.kernel.org/all/20221111130519.1459549-1-steen.hegelund@microchip.com/
Functionality:
==============
The VCAP API exposes a /sys/kernel/debug/sparx5/vcaps folder containing
the following entries:
- raw_<vcap>_<instance>
This is a raw dump of the VCAP instance with a line for each available
VCAP rule. This information is limited to the VCAP rule address, the
rule size and the rule keyset name as this requires very little
information from the VCAP cache.
This can be used to detect if a valid rule is stored at the correct
address.
- <vcap>_<instance>
This dumps the VCAP instance configuration: address ranges, chain id
ranges, word size of keys and actions etc, and for each VCAP rule the
details of keys (values and masks) and actions are shown.
This is useful when discovering if the expected rule is present and in
which order it will be matched.
- <interface>
This shows the keyset configuration per lookup and traffic type and the
set of sticky bits (common for all interfaces). This is cleared when
shown, so it is possible to sample over a period of time.
It also shows if this port/lookup is enabled for matching in the VCAP.
This can be used to find out which keyset the traffic being sent to a
port, will be matched against, and if such traffic has been seen by one
of the ports.
Delivery:
=========
This is current plan for delivering the full VCAP feature set of Sparx5:
- TC protocol all support for IS2 VCAP
- Sparx5 IS0 VCAP support
- TC policer and drop action support (depends on the Sparx5 QoS support
upstreamed separately)
- Sparx5 ES0 VCAP support
- TC flower template support
- TC matchall filter support for mirroring and policing ports
- TC flower filter mirror action support
- Sparx5 ES2 VCAP support
Version History:
================
v2 Removed a 'support' folder (used for integration testing) that had
been added in patch 6/8 by a mistake.
Wrapped long lines.
v1 Initial version
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This tests the functionality of the debugFS support:
- finding valid keyset on an address
- raw VCAP output
- full rule VCAP output
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This ensures that the VCAP cache and the lists maintained in the VCAP
instance is protected when accessed by different clients.
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This add support for displaying the keys and actions in a rule.
The keys and action display format will be determined by the size and the
type of the key or action. The longer keys will typically be displayed as a
hexadecimal byte array.
The actionset is not decoded in full as the Sparx5 IS2 only has one
supported action, so this will be added later with other VCAP types.
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This add support to show all rules in a VCAP instance. The information
shown is:
- rule id
- address range
- size
- chain id
- keyset name, subword size, register span
- actionset name, subword size, register span
- counter value
- sticky bit (one bit width counter)
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds support for decoding VCAP rules with a minimum number of
attributes: address, rule size and keyset.
This allows for a quick inspection of a VCAP instance to determine if the
rule are present and in the correct order.
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a debugFS root folder for Sparx5 and add a vcap folder underneath with
the VCAP instances and the ports
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This ensures that the last_used_addr in a VCAP instance is returned to the
default value when all rules have been deleted.
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This ensures that the l3_proto always have a valid value and that any
dissector parsing errors causes the flower rule to be discarded.
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeroen de Borst says:
====================
gve: Handle alternate miss-completions
Some versions of the virtual NIC present miss-completions in
an alternative way. Let the diver handle these alternate completions
and announce this capability to the device.
The capability is announced uing a new AdminQ command that sends
driver information to the device. The device can refuse a driver
if it is lacking support for a capability, or it can adopt it's
behavior to work around OS specific issues.
Changed in v5:
- Removed comments in fucntion calls
- Switched ENOTSUPP back to EOPNOTSUPP and made sure it gets passed
Changed in v4:
- Clarified new AdminQ command in cover letter
- Changed EOPNOTSUPP to ENOTSUPP to match device's response
Changed in v3:
- Rewording cover letter
- Added 'Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>'
Changes in v2:
- Changed the subject to include 'gve:'
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The virtual NIC has 2 ways of indicating a miss-path
completion. This handles the alternate.
Signed-off-by: Jeroen de Borst <jeroendb@google.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Check whether the driver is compatible with the device
presented.
Signed-off-by: Jeroen de Borst <jeroendb@google.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Extend the test to check the scenario when NCI core tries to send data
to already closed device to ensure that nothing bad happens.
Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Bongsu Jeon <bongsu.jeon@samsung.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Andy Chiu says:
====================
net: axienet: Use a DT property to configure frequency of the MDIO bus
Some FPGA platforms have to set frequency of the MDIO bus lower than 2.5
MHz. Thus, we use a DT property, which is "clock-frequency", to work
with it at boot time. The default 2.5 MHz would be set if the property
is not pressent. Also, factor out mdio enable/disable functions due to
the api change since 253761a0e6.
Changelog:
--- v5 ---
1. Make dt-binding patch prior to the implementation patch.
2. Disable mdio bus in error path.
3. Update description of some functions.
--- v4 ---
1. change MAX_MDIO_FREQ to DEFAULT_MDIO_FREQ as suggested by Andrew.
--- v3 RESEND ---
1. Repost the exact same patch again
--- v3 ---
1. Fix coding style, and make probing of the driver fail if MDC overflow
--- v2 ---
1. Use clock-frequency, as defined in mdio.yaml, to configure MDIO
clock.
2. Only print out frequency if it is set to a non-standard value.
3. Reduce the scope of axienet_mdio_enable and remove
axienet_mdio_disable because no one really uses it anymore.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Some FPGA platforms have 80KHz MDIO bus frequency constraint when
connecting Ethernet to its on-board external Marvell PHY. Thus, we may
have to set MDIO clock according to the DT. Otherwise, use the default
2.5 MHz, as specified by 802.3, if the entry is not present.
Also, change MAX_MDIO_FREQ to DEFAULT_MDIO_FREQ because we may actually
set MDIO bus frequency higher than 2.5MHz if undelying devices support
it. And properly disable the mdio bus clock in error path.
Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
mdio bus frequency is going to be configurable at boottime by a property
in DT now, so add a description to it.
Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Reviewed-by: Greentime Hu <greentime.hu@sifive.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Both axienet_mdio_{enable/disable} functions are no longer used in
xilinx_axienet_main.c due to 253761a0e6. And axienet_mdio_disable is
not even used in the mdio.c. So unexport and remove them.
Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Reviewed-by: Greentime Hu <greentime.hu@sifive.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Smatch complains that:
drivers/net/ethernet/microchip/sparx5/sparx5_dcb.c:112
sparx5_dcb_apptrust_validate() error: uninitialized symbol 'match'.
This would only happen if the:
if (sparx5_dcb_apptrust_policies[i].nselectors != nselectors)
condition is always true (they are not equal). The "nselectors"
variable comes from dcbnl_ieee_set() and it is a number between 0-256.
This seems like a probably a real bug.
Fixes: 23f8382cd9 ("net: microchip: sparx5: add support for apptrust")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Daniel Machon <daniel.machon@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix RSTCTRL_PPE0 and RSTCTRL_PPE1 register mask definitions for
MTK_NETSYS_V2.
Remove duplicated definitions.
Fixes: 160d3a9b19 ("net: ethernet: mtk_eth_soc: introduce MTK_NETSYS_V2 support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When VCAP_KUNIT_TEST is enabled the following warnings are generated:
drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:257:34: warning: Using plain integer as NULL pointer
drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:258:41: warning: Using plain integer as NULL pointer
drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:342:23: warning: Using plain integer as NULL pointer
drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:359:23: warning: Using plain integer as NULL pointer
drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:1327:34: warning: Using plain integer as NULL pointer
drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:1328:41: warning: Using plain integer as NULL pointer
Therefore fix this.
Fixes: dccc30cc49 ("net: microchip: sparx5: Add KUNIT test of counters and sorted rules")
Fixes: c956b9b318 ("net: microchip: sparx5: Adding KUNIT tests of key/action values in VCAP API")
Fixes: 67d637516f ("net: microchip: sparx5: Adding KUNIT test for the VCAP API")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Simon Horman says:
====================
nfp: IPsec offload support
Huanhuan Wang says:
this series adds support for IPsec offload to the NFP driver.
It covers three enhancements:
1. Patches 1/3:
- Extend the capability word and control word to to support
new features.
2. Patch 2/3:
- Add framework to support IPsec offloading for NFP driver,
but IPsec offload control plane interface xfrm callbacks which
interact with upper layer are not implemented in this patch.
3. Patch 3/3:
- IPsec control plane interface xfrm callbacks are implemented
in this patch.
Changes since v3
* Remove structure fields that describe firmware but
are not used for Kernel offload
* Add WARN_ON(!xa_empty()) before call to xa_destroy()
* Added helpers for hash methods
Changes since v2
* OFFLOAD_HANDLE_ERROR macro and the associated code removed
* Unnecessary logging removed
* Hook function xdo_dev_state_free in struct xfrmdev_ops removed
* Use Xarray to maintain SA entries
Changes since v1
* Explicitly return failure when XFRM_STATE_ESN is set
* Fix the issue that AEAD algorithm is not correctly offloaded
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Xfrm callbacks are implemented to offload SA info into firmware
by mailbox. It supports 16K SA info in total.
Expose ipsec offload feature to upper layer, this feature will
signal the availability of the offload.
Based on initial work of Norm Bagley <norman.bagley@netronome.com>.
Signed-off-by: Huanhuan Wang <huanhuan.wang@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A new metadata type and config structure are introduced to
interact with firmware to support ipsec offloading. This
feature relies on specific firmware that supports ipsec
encrypt/decrypt by advertising related capability bit.
The xfrm callbacks which interact with upper layer are
implemented in the following patch.
Based on initial work of Norm Bagley <norman.bagley@netronome.com>.
Signed-off-by: Huanhuan Wang <huanhuan.wang@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently the 32-bit capability word is almost exhausted, now
allocate some more words to support new features, and control
word is also extended accordingly. Packet-type offloading is
implemented in NIC application firmware, but it's not used in
kernel driver, so reserve this bit here in case it's redefined
for other use.
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When built with Control Flow Integrity, function prototypes between
caller and function declaration must match. These mismatches are visible
at compile time with the new -Wcast-function-type-strict in Clang[1].
Fix a total of 227 warnings like these:
drivers/net/ethernet/brocade/bna/bna_enet.c:519:3: warning: cast from 'void (*)(struct bna_ethport *, enum bna_ethport_event)' to 'bfa_fsm_t' (aka 'void (*)(void *, int)') converts to incompatible function type [-Wcast-function-type-strict]
bfa_fsm_set_state(ethport, bna_ethport_sm_down);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The bna state machine code heavily overloads its state machine functions,
so these have been separated into their own sets of structs, enums,
typedefs, and helper functions. There are almost zero binary code changes,
all seem to be related to header file line numbers changing, or the
addition of the new stats helper.
Important to mention is that while I was manually implementing this changes
I was staring at this[2] patch from Kees Cook. Thanks, Kees. :)
Link: https://github.com/KSPP/linux/issues/240
[1] https://reviews.llvm.org/D134831
[2] https://lore.kernel.org/linux-hardening/20220929230334.2109344-1-keescook@chromium.org/
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Keeps traffic sent to the switch within link speed limits
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20221116080734.44013-6-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When sending traffic to multiple ports with different link speeds, queued
packets to one port can drown out tx to other ports.
In order to better handle transmission to multiple ports, use the hardware
shaper feature to implement weighted fair queueing between ports.
Weight and maximum rate are automatically adjusted based on the link speed
of the port.
The first 3 queues are unrestricted and reserved for non-DSA direct tx on
GMAC ports. The following queues are automatically assigned by the MTK DSA
tag driver based on the target port number.
The PPE offload code configures the queues for offloaded traffic in the same
way.
This feature is only supported on devices supporting QDMA. All queues still
share the same DMA ring and descriptor pool.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20221116080734.44013-5-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
On newer chips, this field is unused and contains some bits related to queue
assignment. Initialize it to 0 in those cases.
Fix offload_version on MT7621 and MT7623, which still need the previous value.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20221116080734.44013-4-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In order to use the hardware traffic shaper feature, a larger tx ring is
needed, especially for the scratch ring, which the hardware shaper uses to
reorder packets.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20221116080734.44013-2-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit a7c2a32e7f ("net: fman: memac: Use lynx pcs driver") makes the
Freescale Data-Path Acceleration Architecture Frame Manager use lynx pcs
driver by selecting PCS_LYNX.
It also selects the non-existing config PCS as well, which has no effect.
Remove this select to a non-existing config.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20221116102450.13928-1-lukas.bulwahn@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
I've added a flex array to struct nlmsghdr in
commit 738136a0e3 ("netlink: split up copies in the ack construction")
to allow accessing the data easily. It leads to warnings with clang,
if user space wraps this structure into another struct and the flex
array is not at the end of the container.
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/all/20221114023927.GA685@u2004-local/
Link: https://lore.kernel.org/r/20221118033903.1651026-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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>
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Merge tag 'rxrpc-next-20221116' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
David Howells says:
====================
rxrpc: Fix oops and missing config conditionals
The patches that were pulled into net-next previously[1] had some issues
that this patchset fixes:
(1) Fix missing IPV6 config conditionals.
(2) Fix an oops caused by calling udpv6_sendmsg() directly on an AF_INET
socket.
(3) Fix the validation of network addresses on entry to socket functions
so that we don't allow an AF_INET6 address if we've selected an
AF_INET transport socket.
Link: https://lore.kernel.org/r/166794587113.2389296.16484814996876530222.stgit@warthog.procyon.org.uk/ [1]
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Dan reported a new warning after my recent patch:
New smatch warnings:
net/core/dev.c:6409 napi_disable() error: uninitialized symbol 'new'.
Indeed, we must first wait for STATE_SCHED and STATE_NPSVC to be cleared,
to make sure @new variable has been initialized properly.
Fixes: 4ffa1d1c68 ("net: adopt try_cmpxchg() in napi_{enable|disable}()")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The "pkt" was supposed to have been deleted in a previous patch. It
leads to an uninitialized variable bug.
Fixes: 72f0c6fb05 ("rxrpc: Allocate ACK records at proposal and queue for transmission")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The error handling for if skb_copy_bits() fails was accidentally deleted
so the rxkad_decrypt_ticket() function is not called.
Fixes: 5d7edbc923 ("rxrpc: Get rid of the Rx ring")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Get rid of cpu_relax in mtk_pending_work routine since MTK_RESETTING is
set only in mtk_pending_work() and it runs holding rtnl lock
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Restore user configured MTU running mtk_hw_init() during tx timeout routine
since it will be overwritten after a hw reset.
Reported-by: Felix Fietkau <nbd@nbd.name>
Fixes: 9ea4d31150 ("net: ethernet: mediatek: add the whole ethernet reset into the reset process")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dan Carpenter reported that Smatch found an instance where a pointer
which had previously been assumed could be null (as indicated by a
null check) was later dereferenced without a similar check.
In practice this doesn't lead to a problem because currently the
pointers used are all non-null. Nevertheless this patch addresses
the reported problem.
In addition, I spotted another bug that arose in the same commit.
When the command to initialize a routing table memory region was
added, the number of entries computed for the non-hashed table
was wrong (it ended up being a Boolean rather than the count
intended). This bug is fixed here as well.
Reported-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/kernel-janitors/Y3OOP9dXK6oEydkf@kili
Tested-by: Caleb Connolly <caleb.connolly@linaro.com>
Fixes: 5cb76899fb ("net: ipa: reduce arguments to ipa_table_init_add()")
Signed-off-by: Alex Elder <elder@linaro.org>
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>
Xin Long says:
====================
sctp: support vrf processing
This patchset adds the VRF processing in SCTP. Simliar to TCP/UDP,
it includes socket bind and socket/association lookup changes.
For socket bind change, it allows sockets to bind to a VRF device
and allows multiple sockets with the same IP and PORT to bind to
different interfaces in patch 1-3.
For socket/association lookup change, it adds dif and sdif check
in both asoc and ep lookup in patch 4 and 5, and when binding to
nodev, users can decide if accept the packets received from one
l3mdev by setup a sysctl option in patch 6.
Note with VRF support, in a netns, an association will be decided
by src ip + src port + dst ip + dst port + bound_dev_if, and it's
possible for ss to have:
State Local Address:Port Peer Address:Port
ESTAB 192.168.1.2%vrf-s1:1234
`- ESTAB 192.168.1.2%veth1:1234 192.168.1.1:1234
ESTAB 192.168.1.2%vrf-s2:1234
`- ESTAB 192.168.1.2%veth2:1234 192.168.1.1:1234
See the selftest in patch 7 for more usage.
Also, thanks Carlo for testing this patch series on their use.
v1->v2:
- In Patch 5, move sctp_sk_bound_dev_eq() definition to net/sctp/
input.c to avoid a build error when IP_SCTP is disabled, as Paolo
suggested.
- In Patch 7, avoid one sleep by disabling the IPv6 dad, and remove
another sleep by using ss to check if the server's ready, and also
delete two unncessary sleeps in sctp_hello.c, as Paolo suggested.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds 12 small test cases: 01-04 test for the sysctl
net.sctp.l3mdev_accept. 05-10 test for only binding to a right
l3mdev device, the connection can be created. 11-12 test for
two socks binding to different l3mdev devices at the same time,
each of them can process the packets from the corresponding
peer. The tests run for both IPv4 and IPv6 SCTP.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is to add sysctl net.sctp.l3mdev_accept to allow
users to change the pernet global l3mdev_accept.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
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>
